Archive for December, 2009
Plastic Bags?
Plastic Bags?
Bags hold an important place in our lives. They are sometimes referred to as the best personal carriers. They are made of various stuffs like cotton, synthetic, leather and so. But when it comes to general usage like for shopping, the names of two types of bags viz. plastic made and paper made bags come to our intellect. Both are fine, but the question is, which one is the best suited to our requirements. Lets discuss the peculiarities related with the two.
You might be thinking that paper bags are not as durable as those made of plastic. Also, we see that the latter are more commonly used than the former one. But, do you know plastic is a stuff which is really hazardous to the environment. It takes thousands of year to decompose. If burnt, it emits poisonous gases which again pollutes the environment. If buried in the ground, it makes the soil infertile. If thrown in the sea, it pollutes the sea water and proves to be a threat for the life of the sea creatures. One can imagine, how hazardous is plastic to our planet.
This perilous nature of plastic had forced the governments of many cities of the world to put a ban on the use of poly-bags, which are a major source of plastic pollution. Few cities of the world in which these polythene carriers are either completely or partially banned include San Francisco, New York, Texas, Germany, Dhaka, China, Kenya and Ireland to name a few. Even the government of Delhi had issued guidelines against the use of polythene. However, later on the government changed its decision to completely ban the polythene, due to some reasons. Government suggested the manufacturers to set up the recycling units on the basis of “polluter pays principles”. But the government has not completely given up the plan to ban these polythene carriers, it is in the pipeline.
In this context, paper bags are the best option. No doubt, they are unconventional, but they are eco-friendly and easy to recycle. Nowadays, there are various types of paper made bags available in the market. They are not only good looking, but also have ample of space to carry goods and are quite durable. The handmade paper bags available nowadays are designed to suit specific requirements which include carrying gifts, carrying wine, shopping etc. There is a separate bag to serve each purpose. Although, multipurpose bags are also made from paper. They are proving to be the best substitute for plastic or polythene carriers in the modern context.
Now, as we have told you every significant fact related to plastic and paper bags, It’s upon you which one to choose. The hazardous and non-disposable polythene, or the environment friendly and elegant paper bags.
For more information on paper bags, paper baskets, miscellaneous paper products and other handicraft items, you may visit the following sites:
http://www.handmade-paper-products.com/
http://online-handicrafts-center.blogspot.com/
SunEdison to Build 50MW of PV Solar for Xcel in New Mexico
The five installations will be built, financed and maintained by SunEdison, under a 20-year solar power services agreement (SPSA) with Xcel Energy, which will buy the solar power generated by the plant. This project eclipses the 8.22MW …
Middle East/Med Region Could Solar Power World 3 Times Over …
The sunny MENA (Middle East- North Africa) region and its associated countries could solar power the world, Maurice reports. This map-maker left out Israel.
Q&A with a CEO on the Front Lines of Solar Power – DailyFinance
Now the third largest independent solar-energy producer, Solar Power Partners has succeeded in completing projects in difficult funding environments. CEO Bob Powell says the Holy Grail — achieving the same price for solar power …
Ascent Solar announces retirement of Dr Prem Nath
Ascent Solar Technologies, a developer of flexible thin-film photovoltaic modules, today announced that senior vice president of production operations, Dr Prem Nath is to retire. Dr. Nath has led the company’s manufacturing efforts …
Generating Solar Power After Dark – Green Inc. Blog – NYTimes.com
Two solar farms planned in the West would use technology that allow utilities to generate electricity after the sun goes down.
Green Computing
Green Computing
Green and Clean Computing
Little thought may be given to the energy consumption of computers, but as more and more computers are purchased each year, it is not just the number of computers that forces increased energy consumption but the way in which computers are being used that adds to the building energy burden. Research has shown that most computer desktops are not being used a great deal of the time they are running and are left on for long periods of time. As with other forms of energy consumption, electricity is wasted when it is not being used and this burns fossil fuels that emit carbon dioxide into the air and cause smog, acid rain and other detrimental environmental side effects.
The typical desktop computer consists of a system unit which houses the central processing unit (CPU), a monitor and a printer. The CPU may require 100 watts of electrical power; the monitor, which may be 15 to 17 inches, may require another 50-100 watts; a laser printer can use as much as 100 watts or more while ink printers use as little as 12 watts while printing. The cost for operating a 200 watt system all day and night, everyday, would be $125 annually, while the cost of operation for normal business hours of 40 hours per week would range around $30 annually. Considering the tremendous benefits derived from using computers, this figure may not appear extensive, but when multiplied by the many computers used on a daily basis in this country, the total grows phenomenally.
There are many ways to reduce personal computer energy consumption. Computers, printers and monitors can be turned off when not in use. Many years ago, it was considered harmful to the computer if it were turned on and off periodically during the course of a day. However, the internal circuitry of personal computers is designed to be protected from power damages that might result from on and off switching. Doing so will not substantially affect the computer’s useful life.
The use of screen savers wastes energy and should not be used. They go back to the days when, if not used, images would be ingrained on screens if they remained on too long, but updates in technology have long made the use of screen savers unnecessary.
The United States Environmental Protection Agency has also developed technology for computers and monitors that can be programmed to automatically power down to a lower power state when not in use. This “sleep mode” can reduce energy consumption by 60% to 70% and these “Energy Star” computers serve to gain efficiency without any loss in computing performance.
Green computing extends beyond the personal computer to the use of related devices and materials. For example, paper waste can be reduced by printing as little as possible and only when necessary, recycling waster paper, using electronic mail instead of faxing to eliminate the need to produce a hard copy, and trying to print on both sides of the page when possible. In addition, printer and toner cartridges can be recycled. Although this is a practice that has been discouraged in the past by printer and toner cartridge manufacturers, such recycled cartridges save resources and reduce pollution and solid waste. Disposing of electronics as well can be done through recycling agencies to reduce waste and provide for recycling of functional equipment.
Finally, green computing also means not buying new equipment unless there is a real need for it. Close investigations can be made regarding upgrading hardware or software before purchasing a new computer. However, if the determination is made that a new computer system should be purchased, there are “Energy Star” computers, monitors and printers on the market. In addition, ink jet printers use 80% to 90% less energy than laser printers and soon, even “Green Computers” will reach the marketplace for sale.
Visit http://www.OCRuggedLaptops.com for more information about the rugged laptop industry.
Common Policies For Common Good
Common Policies For Common Good
Concerns about dangerous climate change and large biodiversity loss are visible throughout the world: unprecedented rates of temperature increases and species extinctions are a reality. In 1999 Dr. Peter Raven, president of the International Botanical Congress, published a paper in which he states that “current extinction rate is now approaching 1,000 times the background rate and may climb to 10,000 times the background rate during the next century, if present trends continue. At this rate, one-third to two-thirds of all species of plants, animals, and other organisms would be lost during the second half of the 21st century, a loss that would easily equal those of past extinctions”. He then outlined seven “Points to Slow the Extinction of Plants”, including financial and capacity building instruments to help developing countries protect 80% of the world’s biodiversity they host. As far as climate change is concerned, the responsibility of developed countries is high in providing the most threatened regions in the world with good instruments to cope with this challenge (or at least examples of them to implement autonomously).
Climate change plays a significant role in this human-induced mass extinction because it is increasing the already large biodiversity losses caused by habitat destruction and fragmentation, water and air pollution, introduction of invasive species. Marine ecosystems will be affected by an increase in sea temperature, but also by ocean acidification, because of the higher concentration of dissolved carbon dioxide (carbonic acid): in fact this reduces the shell formation ability in many organisms. Polar (and mountain) ecosystems are particularly vulnerable to climate change, with effects such as thawing permafrost, decreased snow cover, losses from ice sheets and changes in ocean temperatures. Large impacts on Arctic biodiversity are already evident, pictures of polar bears wandering lost on small icebergs being a scary and sad symbol of the era we live in (even former U.S. President Bush, at the end of his mandate, recalled this image to show his fellow citizens he cared about climate change …)
In this rapidly changing environment it is therefore extremely important that conservation plans include adaption measures for ecosystems accordingly to the predicted regional climate patterns (but models need still to be improved a lot at this scale): dynamic approaches are needed to set good options for future ecosystems and landscapes. It will be necessary to facilitate the movement of species to new geographical locations, as they follow the shifting habitats.
The public concern is growing: in Africa last 28 February young people organized a march from impoverished urban areas to the summit of Mount Kilimanjaro to raise awareness on climate change, together with the Kilimanjaro Initiative and the UN’s global UNite to Combat Climate Change campaign. It seems though that the global attention on climate change doesn’t fully consider implications for biodiversity yet: while the negotiations and speeches on climate issues are very popular (and the Nobel Prize was awarded to the entire IPCC together with Al Gore in 2007) the meetings and decisions of the Convention on Biological Diversity (http://www.cbd.int/) don’t raise comparable interest. Is it because the anthropocentrism is (still) the prevailing philosophy and animals and plants are mainly seen by people as beautiful “supporting actors” on the planet we live on? Right when we are losing control of the global situation it is probably time to reflect on our role of dominant species and acknowledge the fundamental contribution of other organisms to our livelihoods, despite many of us live in the so called Technosphere.
Policies to protect the climate avoiding irreversible effects on the ecosystems need to be strongly interconnected with conservation strategies: preserving natural areas while helping them adapt to the changing climate means hopefully to leave better, or not as compromised, ecosystems to future generations. Climate and biodiversity, though ever changing and evolving, are common goods and they need common policies: if we reduce the human Ecological Footprint both the atmosphere and the biosphere will be better off (and our children and grandchildren living in them).
Written by Luca Marazzi on behalf of Responding to Climate Change.
For further information on Climate Change please visit the Responding to Climate Change website – http://www.rtcc.org
The Ecological Footprint is a measure of human demand on the Earth’s ecosystems. It represents the amount of biologically productive land and sea area needed to regenerate the resources a human population consumes and to absorb and render harmless the corresponding waste. Using this assessment, it is possible to estimate how much of the Earth (or how many planet Earths) it would take to support humanity if everybody lived a given lifestyle. For 2005, humanity’s total ecological footprint was estimated at 1.3 planet Earths – in other words, humanity uses ecological services 1.3 times faster than Earths can renew them. See also: http://www.footprintnetwork.org/
Water Used in Generating US Electricity
Water Used in Generating US Electricity
In my four-article series on water use (The Resource Matrix), I took you on a journey to reveal the layers of The Resource Matrix in order to help you understand how water will be a highly contested commodity tomorrow, possibly as much as oil is fought over today.
You learned about your water footprint and a website where you can calculate it, virtual water and virtual water transfers, whereby choices here affect water availability elsewhere, to the point of some people not having enough water to drink in order to produce inexpensive dyed cotton, along with insane choices such as growing crops in the desert.
You learned that on average it takes 1854 to 3000 gallons to produce one pound of beef.
Yep, it’s it’s been a great journey through the sidetrip city of the Resource Matrix.
Today, we’ve found the on-ramp to the Green Lighting Interstate and are driving to take a look at water use in generating electricity.
For a simple reason. It takes a lot of water to produce electricity.
How much? 5% of all US water? 10%? Can’t be as high as 25%?
Electricity and water?
I thought the issue was fossil fuels and greenhouse gases
The U.S. Geological Survey (USGS) estimated water use in the United States in 2000.
Their grand total: 408 billion gallons per day withdrawn for all uses.
The number 1 spot, weighing in at 48%, was thermoelectric power.
Irrigation earned the runner-up prize at 34%.
The 195 billion gallons need to come from somewhere, and actions have consequences. Environmental ones, as in 40 million fish in the Great Lakes killed each year due to being trapped against water intake devices. That’s a lot of Friday night fish dinners.
How much water is used in generating electricity?
Large fossil fuel and nuclear plants require incredible quantities of water for cooling and ongoing maintenance.
Water for thermoelectric power is used in generating electricity with steam-driven turbine generators. It uses 48% of all water in the US.
According to the Pace Energy and Climate Center, the amount of water used for power plant cooling varies by each specific power plant’s electricity generating technology and size. Nuclear reactors require the most water for cooling, and baseload fossil fuel power plants come in second.
The Salem Nuclear Generating Station alone takes 3 billion gallons a day from the Delaware Bay, according to the Pace Energy and Climate Center.
Nationally:
- Steam electric generating plants across the nation draw in more than 200 billion gallons per day.
- Nuclear and fossil fuel power plants drink over 185 billion gallons of water per day.
- Geothermal power plants add another 2 billion or so gallons a day.
- Most renewable energy technologies require little or no water for cooling.
These numbers are starting to sound like the same ones the U.S. Treasury and Federal Reserve Bank use.
Imagine watching your favorite science program where astronomers explain that the universe is 78 billion light-years wide (78 billion units of 5,878,630,000,000 miles). There is absolutely nothing in our experience to help us wrap our mind around it.
How much is 3 billion gallons per day?
The Delaware Bay feeds Salem Nuclear Generating Station 3 billion gallons a day.
Imagine this rectangle: a football field with end zones (360 feet long x 160 feet wide). Then add to it walls on each side of the rectangle to create a container to hold the 3 billion gallons you pour into it.
How high do you need to make those walls to contain 3 billion gallons? 6915 feet high. Or 1.3 miles.
Maybe 6915 feet high is still hard to imagine. So how deep do you cover the field in order to feed the Salem plant every minute? Answer: 5 feet deep. Every minute.
48% of all water use: We’re Number One!
How much is 195 billion gallons per day?
Using the USGS figure for 2000, thermoelectric power nationwide used 195 billion gallons a day, or 48% of all water used in the US. My guess is the water use has grown since then.
How high are the walls on our football field now? 449,475 feet or 85 miles high. We’re back to US Treasury and astronomy numbers again.
So, let’s get a higher-level view to help us.
Lake Erie holds 116 cubic miles of water.
Nationally, thermoelectric power uses 195 billion gallons a day – or 64.2 cubic miles a year.
We drain Lake Erie every 22 months.
But the water used is returned to its source.
So what’s the issue about water use?
Power generation returns 98% of the water back to its source (bay, lake, river, ocean).
It’s the environmental consequences.
The Pace Energy and Climate Center explains it neatly:
Withdrawal of large volumes of surface water for either power plant cooling or hydropower generation can kill fish, larvae and other organisms trapped against intake structures (impinged), or swept up (entrained) in the flow through the different sections of a power plant.
Examples include:
- The Salem Nuclear Generating Station is responsible for an annual 11 percent reduction in weakfish and 31 percent reduction in bay anchovy.
- At the Indian Point 2 and 3 reactors on the Hudson River, the number of fish impinged totaled over 1.5 million fish in 1987.
- The 90 power plants using once-through-cooling on the Great Lakes kill in excess of 40 million fish per year due to impingement. (Once-through cooling needs a continual flow of new water, and uses 30 to 50 times that of a closed cycle system. Closed cycles cool down water from steam then reuse it.)
The diversion of water out of the river removes water for healthy in-stream ecosystems:
- Stretches below dams are often completely de-watered.
- Fluctuations in water flow from peaking operations create a “tidal effect,” disrupting the downstream riparian community that supports its unique ecosystem.
- A dam’s impoundment slows water flows, which hinders natural downstream migration of many fish species.
- By slowing river flows, dams also allow silt to collect on river and reservoir bottoms and bury fish spawning habitat. Silt trapped above dams accumulates heavy metals and other pollutants. Disrupting the natural flow of sediments in rivers also leads to erosion of riverbeds downstream of the dam and increases risks of floods.
- The impoundment of water by hydropower facilities fundamentally reshapes the physical habitat from a riverine to an artificial pond community.
- This often eliminates native populations of fish and other wildlife.
- Dams also impede the upstream and downstream movement of fish and other wildlife, and prevent the flow of plants and nutrients. This impact is most significant on migratory fish, which are born in the river and must migrate downstream early in life to the ocean and then migrate upstream again to lay their eggs (or “spawn”).
- As mentioned above, withdrawal of water into turbines can also impinge or entrain significant numbers of fish.
The cleanest kilowatt is the one never used:
Back to those compact fluorescent lamps and LEDs
PowerScorecard.org explains the solution:
By re-directing electricity dollars to support environmentally benign energy resources, consumers are empowered, in states that offer supply choice, to influence the existing generating resources that are deployed to meet demand.
They can also support the construction of new and cleaner electricity resources that will be built to meet overall growth in demand in the future. By supporting these power options, consumers can minimize many water use and consumption impacts. Still, directing your dollars to cleaner power products in no way helps remediate damages that already have occurred. Consumers can stop the construction of new hydropower facilities or alter conditions of siting and operation, but they cannot undo previous environmental degradation that occurred at existing hydropower facilities.
In short, reduce your use of electricity.
More Info:
We used several sources for this article, including the PowerScorecard.org website, which is produced by the Pace Energy and Climate Center, which is part of the Pace University School of Law’s Center for Environmental Legal Studies, Pace University, White Plains, New York.
On PowerScorecard, you can get:
- Ratings of Electric Power Choices for some service areas.
- More info on electricity and the environment:
- Technologies
- Climate change
- Acid rain
- Ozone depletion
- Water use (our article today)
- Water quality
- Land: on-site and off-site impacts
Thanks for letting us keep you updated . . .
To your green, brighter future,
Cinnamon Alvarez,
A19
And now I would like to offer you free access to powerful info on energy efficiency that’s easy to read and cuts through all this “green” information clutter — so you can literally start making positive changes today.
You can access it now by going to: http://www.a19.com/pub/articles/
From Cinnamon Alvarez: Founder, A19 — woman-owned green manufacturer of hand-made ceramic lighting fixtures
New York Provides Funding For Solar Energy Program On Long Island …
million will help homeowners and businesses purchase and install solar photovoltaic systems. Developments will spur Long Island’s position as clean energy leader.
Nanotechnology Now – Press Release: “Solar Energy Initiatives, Inc …
Solar Energy Initiatives, Inc. (OTCBB: SNRY) and the Industrial Technology Research Institute (ITRI) Taiwan announced a broad business and technical collaboration agreement to build, integrate, test and commercialize a series of new …
Philippine Solar Car Society launches second RP-made solar car …
PNS/ Manila — Following the resounding success of SINAG, the Philippines’ first solar car, the Philippine Solar Car Society now launches SIKAT, proving the Filipino’s capability to lead in solar power technology. …
The Speculist: Closing in on the Solar Singularity
For decades researchers have investigated a theoretical means to double the power output of solar cells–by making use of so-called “hot electrons.” Now researchers at Boston College have provided new experimental evidence that the …
NewNet News – SunPower and SolarPower launch Israel solar plant
US-based solar manufacturer SunPower and Israeli solar power system integrator SolarPower have launched a 50KW rooftop mounted solar power system at Hewlett Packard’s Indigo division facility in Kiryat-Gat, Israel. …
Green Tip – Recycle Your Plastic Bags
Green Tip – Recycle Your Plastic Bags
If you have not given up plastic bag for your own reusable bags yet, no worries, you can still make a difference! Recycle them! How? Well, there are many ways you can recycle plastic bags. We have listed a few to get you started. Use your imagination!
21 Ideas for Recycling Plastic bags:
* for filler when sending packages or when you want to store fragile items.
* use old plastic bags for liners in your bathroom or office trash can.
* to pick pet waste.
* use them as baby bib.
* arts and crafts. (off site link)
* reuse plastic bags over and over when you grocery shop.
* store wet bathing suits in them when at the pool or beach.
* dispose of dirty diapers when out and about.
* put hubbies lunch in them instead of a lunchbox.
* litter box liners.
* use plastic bags instead of Ziploc bags when possible.
* store holiday items in them.
* as a cap when giving yourself a hot oil treatment.
* make a kite with your kids.
* as a toiletry bag when traveling.
* shred and cut them to make plastic bag confetti.
* use them as gloves when cleaning.
* have your kids put them over their shoes when playing in the snow to keep shoes dry.
* cut them in to big squares and let your children finger paint with them. (under supervision, of course)
* send them to the recycle bin at your neighborhood grocery store.
* or…avoid using plastic bags all together and REALLY make a difference!
This is just small list to get you started. There are MANY ways that you can recycle and reuse plastic bags. You can also Google “recycle plastic bag ideas” and you will find tons more!
Copyright © Green Christian Network, All Rights Reserved
About the Author: Cindy Taylor is a Christian stay at home Mom who love the Lord and cares about God’s planet. You can see her passion and writing at her website, Green Christian Network (http://greenchristiannetwork.com).
Home Bio Diesel Production
Home Bio Diesel Production
The flammability point of biodiesel.
I’ve mentioned that it’s biodegradable that it’s safe to use blah, blah, blah, all these different things, but I want to show you how safe this is. This biodiesel, I’ve made from canola oil, so I’m going to pour a little bit in here, and now it’s time to play with fire. We’re going to come down here. Light up our torch, notice I have my fire extinguisher people.
We now have a nice blow torch going. Notice I’ve got some nice biodiesel on the ground here. I want to show you that biodiesel is very, very safe to have around. I can’t light it on fire. This torch is a really hot torch. I’m actually using map gas. Map gas actually has a higher flame temperature. So I’m just trying to light this sucker on fire, and you know what, she’s not going. That’s because biodiesel isn’t actually that flammable. It has a much higher flash point than normal diesel, and I’ve just proven it.
And that’s one of the reasons people like biodiesel is because it’s so safe to use. In fact, if this stuff spills on the ground the MSDS and things that it calls for is get a garden hose and wash it off. It’s not going to light up. It’s as safe to have around as vegetable oil. No I have to cavy up that this biodiesel has been cleaned. We have got all the methanol out of it, and we’ll talk a little bit about that later, but I just want to show you that it’s very clean and it just doesn’t burn. That’s that little fun experiment. We want to show you that biodiesel will burn though. When it’s under pressure it does burn quite well. For this experiment I’m just going to start a fire, and I’m going to spray it into it. As you can see it will burn, so when it’s in your diesel and it becomes injected, it will burn beautifully. That’s biodiesel burning.
The DR Performance Diesel Products & Edge Diesel Products are both fully compatible with biodiesel- Nathan Young
Eco Tech: Hot Electrons Could Break Solar Panel Efficiency Limits …
Scientists at Boston College have built solar cells that successfully use hot electrons to increase the cell’s power output, which could be used as a concept for better solar cells that break conventional efficiency limits. …
Facts on Energy: Solar at Seeker Blog
A very concise summary of the basic numbers of solar PV and thermal solar generation. The bottom line is the economics are completely uncompetitive except in very special typically remote geographies. Time will tell if new technologies …
Solar Panels: A Sunny Home Improvement? – Financial Web
If you are trying to decide whether or not to use solar panels in your home, there are several things to consider. Though they sound as though they may a good investment, it is important to think about the purchase from a financial …
DP&L To Construct 1.1 Megawatt Solar Facility In Ohio – Green Diary
The Dayton Power and Light Company (DP&L) will soon build a 1.1 Megawatt solar array near its Yankee substation in Washington Township, Montgomery County, Ohio. The company announced that it plans to begin with the project this month …
Big Solar Moves East – Green Inc. Blog – NYTimes.com
The Long Island Power Authority agreed to buy nearly 50 megawatts of solar power in what it said was the largest such project in New York State.
LAUGH OR CRY TV
Environmental Statements
Under the relevant European Directives, an Environmental Statement is the formal product of an Environmental Impact Assessment. Environmental Statements are often organised in a way that describes the environmental baseline, mitigation and effects for each type of environmental receptors: ecology, water resources, archaeological resources, human beings etcetera. Contaminated land is often managed in the same ways as the various environmental receptor groups, although it is principally a cause of impacts rather than a receptor. It also often refers to a pre-existing condition and its damaging effect is on a variety of different receptors such as human health, structures and buildings, surface water features, groundwater features and ecology. This often means that land contamination specialists struggle with integrating the issue in a logical manner in an Environmental Statement. Sticking to the structured approach of an environmental statement is essential to ensure a clear description of the existing environmental condition, the potential impacts and the actions taken to avoid, minimise, offset or manage the impacts. This article is based on UK practice and legislation, although fundamentally the issues should be similar within other contexts.
Contaminated land is in many countries considered on a source-pathway-receptor basis. This is important to understand the impact land development can have on the issue of contaminated land. Development can interfere with any of these three elements. It can introduce sensitive receptors by changing the use of land, for instance by building new residential units on a site that was previously used for heavy industry. New pathways linking pre-existing contamination with an existing receptor can be formed, for instance when piling through a non-permeable layer connecting a layer of contaminated soils with a deep aquifer. Finally by introducing pollutants on the site a development project can introduce a potential source of contamination.
The second element to consider is the structured approach of an environmental statement. Apart from the introductory and procedural elements described in the environmental statement, a good environmental statement comprised the following sections:
- environmental baseline conditions
- potential environmental impacts
- mitigating measures
- residual environmental impacts
There should be a logical relation between the different sections. Any receptor that is affected and described in the section about the potential impacts and effects should have been introduced in the section describing the baseline. Any material impact should be assigned a mitigation or management action etc. Implementing this structure allows a clear description and understanding of the environmental impacts and the way it will be managed.
Applying these principles to contaminated land will result in a baseline condition section that describes the current sensitive receptors that are present within the potential sphere of influence of the development, the sensitivity and importance of these receptors, the presence of any pre-existing contamination and the presence of actual and potential pathways. The next section, potential environmental impacts or effects, first considers the impacts that the development will have in terms of the introduction (or removal) of sensitive receptors and the creation of new pathways between existing and potential pollution sources and receptors. In addition this section will describe the potential environmental impacts that are associated with the introduction of new sources of contamination. In the third section, mitigating measures, a description of the actions to mitigate each of the impacts that may occur should be provided. Finally a statement of the residual impact of the development is provided in the last section: residual environmental impacts.
Paul Giesberg is an environmental consultant with a special interest in environmental impact assessment and sustainability in land use development.
Is Australia’s Emission Trading System Going to Work Effectively
Is Australia’s Emission Trading System Going to Work Effectively
In Australia the government are introducing an emission trading or cap and trade scheme. There are major concerns about the level of reduction the government wants to sign up to and also whether it will actually work.
As Australians we do need to take action about carbon reduction. We are both the most vulnerable continent for feeling the effects of global warming and also we are the worst greenhouse emitters per head than any other country on the planet. We emit even more than the USA and Canada who are our nearest competitors for this wooden spoon. This is at least in part due to our huge coal industry.
The head of the Australia Institute’s Think Tank says that the Federal Government’s emissions trading scheme will have too many permits and will not reduce carbon emissions.
The Australia Institute’s executive director, Dr Richard Denniss, said the scheme’s flaws related to the 5 to 15 per cent emissions reduction targets, which he described as ”ridiculously low”, and he said there would be too many permits. Dr Dennis said that “We won’t achieve the policy goal, which is to reduce emissions.”
Dr Denniss told the Senate that ”[If] we pass this legislation, we’ve got it for the next 10 years. And anyone that’s got a good idea a year later, it’s not going to help. This legislation is designed to not be tinkered with.”
Professor Clive Hamilton, from the Centre for Applied Philosophy and Public Ethics, said the proposed scheme had damaged Australia’s reputation. A reduction target of at least 25 per cent needed to be set if the Government wanted credibility on the world stage. Australia would be better off taking no policy than the proposed model to the December climate change talks in Copenhagen, he said.
”It not only lowers the ambition of the world community but also excludes Australia from being a forceful player in negotiating … a strong international agreement.”
It is hard to see how exempting large emitters ignoring the 1.9 million small to medium businesses is going to help us reduce our carbon footprint. These same small businesses are currently suffering from financial stress, the business owners and managers are overworked and simply don’t feel able to handle anything new. Many don’t really understand what global warming is about or why it matters.
We urgently need unambiguous communication so that small to medium businesses accept the reality of the need for change and also how easy it can be to make significant reductions with minimal time input and save money at the same time.
We also need to help low income households reduce their carbon footprint with more efficient heating and cooling and effective public transport. We should NOT be giving them even more cash hand outs as “compensation” as currently promised by the government. All households need to come on board and stop wasting power.
We need a clear message that going green applies to all of us, is easy and saves money – just “go for a grumpy walk and just turn it off”. If every small business and householder just went around each office and home and did this it would be relatively easy for every one to reduce their carbon emissions and their power bill by 15-20%. At present we are told it will be difficult and it only applies to big business. Such a wrong message – we all need to pull together.
A Brief given to the Victorian Government advises that the state should only bother with green measures if they are more cost-effective than alternatives. They have been told to rethink programs such as subsidies for solar farms and hybrid car fleets because these will not contribute to any additional emission cuts under the federal scheme.
The Greens have concerns about the cost of emission permits being reduced by the actions of households, councils and governments, hence reducing industry’s incentive to cut emissions. This is more than simply an economic debate. Individuals and households should also be reducing their emissions. Achieving sustainability is a grassroots exercise that involves the entire community, and Australians are becoming aware of the need to remake the economy and society. The momentum must not be lost.
An additional concern is whether the legislation and also the international agreements reached in Copenhagen will be flexible enough to take account of emerging technology. At present this does not appear to be the case. Senator Wong, the Minister for Climate Change, rejected spending on biochar, a form of carbon capture in soil research because that is not listed in the protocol. Thankfully some soil carbon storage research will now be funded in the agriculture budget but that begs the requirement for the legislation to be flexible and allow for new and future technology.
If the ETS cannot deliver real carbon reductions it is really a form of “greenwash” saying we signed Kyoto and have done something before the next election. The big problem is that the government looks ahead 3 years to the next election, Big Biz CEO’s also look to the short term of their contracts and bonuses. Who looks ahead for our children?
Jean Cannon is an energy management and sustainable business consultant. If you would like more information about how to go green in your home or business and increase your business profits why don’t you go to http://www.itiseasytobegreen.com and download a chapter of my book of almost the same name and find out how to reduce your carbon footprint.
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Water Efficiency – The Resource Matrix Part 2 of 4 – Water’s Role in Global Warming
Water Efficiency – The Resource Matrix Part 2 of 4 – Water’s Role in Global Warming
Last week, we introduced you to the Resource Matrix, which is everywhere, it is all around us. It is the world that has been pulled over your eyes to blind you from the truth.
We showed you how economics leads to people maximizing their benefits in “win-lose” propositions: you want diamonds and gold for nothing and they want to give you useless junk for a king’s ransom. And how we’ve been hypnotized in believing what they want is also what we want.
But the scales have been falling from our eyes, we’re beginning to see the truth, and the power has been shifting away from the “I want your goodies for nothing” crowd:
- Do-gooders have increased our awareness and worked to change deals from “win-lose” to “win-win”
- There is no “free lunch:” finite energy resources will run out; actions have consequences, and the consequences of our actions are already visible, rather scary, and quite irreversible; and that the “I want your goodies for nothing” crowd hasn’t been telling the truth
We now realize we’re all in this together: we have greater awareness of our actions and the desire to change, and have ways to change.
Hallelujah and Praise the Collective!
Today, we introduce the resource called water, its parallels with fossil fuels, and its role in global warming.
None of this is to dismiss or diminish the contribution of fossil fuels in global warming. Hey, just like the Special Olympics, if you participate, you get a medal. We just think that gold-medal winner Fossil Fuels has stolen the spotlight, letting silver-medalist Water Use keep us hypnotized in believing that water is a free lunch, and that nature will clear up polluted waters while getting away with breaking the rules.
Water, water, everywhere,
not a drop to drink.
According to our friends at How Stuff Works, who I wrote about sarcastically for their oxymoronic clean coal article in discussing how true public relations stuff really works, gives us this data:
- 98% of the planet’s water is in the oceans. It’s salt water – we can’t drink it or irrigate our crops with it.
- 2% is usable. Of that 2%:
- 80% is locked up in polar ice caps and glaciers
- 18% is underground in aquifers and wells
- 1.8% is in lakes and rivers
- 0.2% is elsewhere: either floating in the air as clouds and water vapor, locked up in plants and animals (and your body), and in foods and beverages.
Okay, so 20% of the usable water (only 0.4% of all water on Earth) is accessible, right?
Well . . . no. Many of the aquifers, wells, lakes, and rivers have been sucked dry like a once-juicy fly carcass in a spider’s web. (The 18% and 1.8% you see above is like the money in the Social Security Fund: there actually is nothing there.)
And many of those water sources that do still have a drop to drink are worse than the ocean’s salt water. Drink salt water and you’ll need to yawn into a bucket. Drink this water and you’ll kick the bucket.
And I know you aren’t asking this burning question:
“So . . . global warming to release fresh water from ice caps and glaciers is a good thing, no?”
Percentage this, percentage that.
Talk my language, will you?
I know I’m pulling the disgusting old government trick: drowning you in an ocean of water statistics.
So let’s make it plain and simple:
You bring in $10,000 a month. You’re also living high on the hog and doing your personal best to outshine every bling-bling Hip Hopster Musical Artist in materially conspicuous consumption:
- $9800 goes to the McMansion mortgage and gold-plated Rolls Royce lease
- $160.00 goes to investments in clothing and accessories
- $0.40 has been lost in the sofa cushions
- $39.60 a month is for everything else: food, phone and electric bills, income taxes, and all the other non-essentials: Don’t spend it all in one place!
Aquifers and wells and lakes and rivers:
Dry or polluted, oh my!
Fred Pearce, author of When the Rivers Run Dry, helps us quickly understand it:
We can all save water in the home. But as laudable as it is to take a shower rather than a bath and turn off the faucet while brushing our teeth, we shouldn’t get hold of the idea that regular domestic water use is what is really emptying the world’s rivers. Manufacturing goods … consumes a certain amount, but that’s not the real story either. It is only when we add in the water needed to grow what we eat and drink that the numbers really begin to soar. (emphasis mine.) (Fred Pearce, When the Rivers Run Dry, Boston: Beacon Press, 2006. p 3)
Here are a few numbers he gives:
- to grow a pound of rice: 250 to 650 gallons of water
- to grow a pound of wheat: 130 gallons
- to produce a quart of milk: 500 to 1000 gallons
- to produce a pound of cheese: 650 gallons
- to produce a 1/4 pound of burger: 3000 gallons
He kindly puts water use into perspective in annual terms:
- 1 ton (265 gallons) for drinking
- 50 to 100 tons (13,250 to 26,500 gallons) around the house
- 1500 to 2000 tons (397,500 to 530,000 gallons) for food and clothing
—————————————–
sidebar:
How Many Gallons to Produce One Pound of Beef?
Lies, damned lies, and statistics
US Beef industry’s Cattlemen’s Association: 441 gallons
Fred Pearce: 12,000 gallons
Water Footprint Network: 1854 gallons (calculations: 15500 litres of water per kg; 4079 gallons per kg; 1854 gallons per pound)
In an industrial beef production system, it takes an average three years before the animal is slaughtered to produce about 200 kg of boneless beef.
The animal consumes nearly 1300 kg of grains (wheat, oats, barley, corn, dry peas, soybean meal and other small grains), 7200 kg of roughages (pasture, dry hay, silage and other roughages), 24 cubic meter of water for drinking and 7 cubic meter of water for servicing.
This means that to produce one kilogram of boneless beef, we use about 6.5 kg of grain, 36 kg of roughages, and 155 litres of water (only for drinking and servicing).
Producing the volume of feed requires about 15300 litres of water on average.
—————————————–
Where does all that water come from?
From virtually everywhere
If it comes from imported goods (Thai rice or Egyptian cotton), the water comes from those countries.
When the water is collected from rivers or pumped from underground, as it is in much of the world, it’s:
- increasingly expensive
- increasingly likely to deprive someone of water (nothing to drink)
- increasingly likely to empty rivers and underground water reserves
And when the rivers are running low, as they are more frequently, there is less water to grow anything at all.
The water used in growing and producing goods around the world is known as “virtual water” and the trade of these goods is known as “virtual water transfers.”
And who’s the biggest water exporting Mouseketeer of them all? The United States.
When you drink coffee from Central America, you are influencing the hydrology of the region, virtually taking a share of the Costa Rican rains. The same is true within a national and regional boundaries. The Colorado River is drained so Californians can eat their Big Macs and have friends over for a Sunday afternoon barbecue.
In the same way that your use of fossil fuel is measured as a “carbon footprint,” your water use, actual and through virtual water transfer, is measured as a “water footprint.”
How big is my water footprint?
I’ll show you mine if you show me yours
Arjen Y. Hoekstra, professor at the University of Twente, the Netherlands, introduced the water-footprint concept in 2002. It “shows water use related to consumption within a nation, while the traditional indicator shows water use in relation to production within a nation.” (Hoekstra and Chapagain, Globalization of Water, Malden: Blackwell Publishing, 2008, p. 3)
With Hoekstra and Chapagain’s water footprint calculator (waterfootprint.org), you select your country, input food, domestic water use, and industrial goods consumption, press a button, and you get your:
- total water footprint for the year
- bar charts for the three components
- bar charts for individual food categories
For example, you’re in the US, eat only 1 pound of cereal a week (.4545 kg) and have a low-fat, low-sugar diet, use a low-flow showerhead, use a no-flush eco-toilet, and never run the tap while brushing your teeth. Two extremes:
- You’re the hippiest of the hip: making $10,000 a year: Your water footprint: 245 cubic meters (65,170 gallons)
- You’re the hippiest of the Yuppies: making $120,000: Your water footprint: 2979 cubic meters (792,414 gallons). Difference due to your income’s effect on industrial production.
Three notes on the calculations, because Professor Hoekstra is European and lives in the social welfare country that started birthing hippies in Amsterdam decades before they showed up in the US at Woodstock:
- You input kilograms for food:
- 1 kilogram = 2.2 pounds = 35.2 ounces
- 1 ounce = 0.028 kilograms. 1 pound = 0.454545 kilograms
- Your water footprint is in cubic meters per year:
- 1 cubic meter = 35.3 cubic feet = 266 gallons
- The higher your income, the greater your water footprint, even if you don’t personally consume anything: you’re a capitalist pig supporting the Establishment Regime, I guess
So how is Cinnamon’s capitalist water footprint? Answer: 650 cubic meters (172,900 gallons)
I showed you mine. Now you show me yours:
Get the naked truth: Calculate your waterfootprint now:
Water’s running out:
I get the fossil fuel analogy so far.
And what about climate change?
We return to Fred Pearce’s book to find an example, of which he has oceans:
China’s Yellow River: The fifth longest in the world, it begins high in the mountains of eastern Tibet and journeys more than 3000 miles. Almost half a billion people depend on it for drinking and crop irrigation, and it’s made China the world’s largest wheat producer and second largest corn producer. Yet more than half of the lakes it feeds have disappeared over the last 20 years, and a third of pastures have turned to desert. This desertification generates huge dust storms that choke lungs in Beijing, close schools in Koreas, dust cars in Japan, and rain dust on mountains across the Pacific and Western Canada.
State irrigation projects along the Yellow River soak up the majority of its water – the total official allocations are greater than the actual flow.
The resulting drought could be an early warning sign of global warming.
Much of the declines in moisture reaching rivers is in line with prediction of climate researchers. So how does this global warming happen?
Higher air temperatures from desertification increase evaporation from oceans and intensify the water cycle. This increases atmospheric water vapor – 8 to 10% more than today. This increases global rainfall, but the rain is being redistributed: middle latitudes (read: the US) are becoming drier. Higher temperatures increase evaporation on land, meaning soil dries out faster, meaning less rainfall is reaching rivers.
The higher temperatures melt glaciers and snowpacks. At first, this leads to unpredecented floods. After the glaciers disappear, meltwaters that feed rivers disappear. The combined decreasing rainfall and increasing evaporation will lower moisture by 40% in the southern and western states.
The Sierra Nevada snowpack could diminish by 70 to 80 percent over the next 50 years. And some of the world’s most productive agricultural regions could dry up.
Global climate is becoming more extreme: the dry areas become drier, and the wet areas become wetter. And more areas are becoming dry deserts. Loss of habitat and agricultural lands. It’s a vicious cycle.
So what can you do?
Navigating through the Resource Matrix
As Fred Pearce points out, your drinking and bathing account for 0.05% of your total water consumption. Your food and clothing weigh in at 95.00%, although I find his 12,000 gallons needed to produce a pound of burger rather wild.
As Professor Arjen Y. Joekstra shows with his Water Footprint Calculator, your consumption of meats accounts for a lot, as does your guilt by association of being in an industrialized country.
The obvious solution: eat fewer e-coli burgers from your neighborhood Salt and Fat Slop Bucket restaurant.
The wiser solution: like your choices in energy use, become more aware of the resources needed to produce anything and the consequences. Such as luxurious cotton grown in the Egyptian desert.
Next article in the water efficiency series:
How an illiterate, lice-infested, foul-mouthed
peasant on some other side of the globe affects you
We continue going with the flow of water, when we show the parallel between the current hot Oil Wars and in the future cold Water Wars.
And all of this is for one purpose:
To help you see the Resource Matrix, everywhere, all around you.
Thanks for letting us keep you updated . . .
To your green, brighter future,
Cinnamon Alvarez,
A19
And now I would like to offer you free access to powerful info on energy efficiency that’s easy to read and cuts through all this “green” information clutter — so you can literally start making positive changes today.
You can access it now by going to: http://www.a19.com/pub/articles/
From Cinnamon Alvarez: Founder, A19 — woman-owned green manufacturer of hand-made ceramic lighting fixtures
Green Tech
Benefits For Municipal Waste Management with Plasma Gasification
Plasma Gasification Plant (PGP) projects are being developed by at least five gas plasma technology companies, and there are real benefits to be obtained from this technology for the destruction of Municipal Solid Waste (MSW).
There is some debate still whether the process has been demonstrated to be a vaible technology which can be reliably operated by our waste management companies at reasonable cost and in compliance with all emissions regulations. However, the consensus seems to be largely in acceptance now that the technology is largely proven and inherently cleaner than incineration.
Although, gasification is used as a power generating technology, and gas plasma plants do provide a power feed-in to the local power grid, it should be realised by all that the purpose of selecting plasma gasification is currently that of achieving maximum waste mass destruction. The intent of the PGP is primarily to provide an efficent and clean method of dispoing of large quantities of residual MSW. Plasma gasification, although it does produce energy from waste is not primarliy an Energy from Waste (EfW) or Waste to Energy technology. There are other better proven, more efficient, and potentially always also cheaper ways to produce Energy from Waste, such as incineration.
PGPs suffer a high sacrificial load from the use of power at the electrodes to generate the plasma, and energy is also expended before the MSW reaches the plasma zone in the gasifier in chopping up and ensuring that the particle size of the waste is quite small. For this reason they do expend a large proportion of the power generated just in maintaining their own internal power demand.
However, as a waste destruction method producing an inert residue without creating at the same time high levels of toxic gaseous emissions the gas plasma process excels according to reports made to date. It has every reason to be cleaner as well because the reactions which take place in the plasma state take place so quickly and completely that the toxic organic chemicals produced in other combustion processes simply don’t get a change to be produced.
For a waste management process PGP therefore holds a very good prospect of adoption, as it is a process which is very efficient at diverting waste away from landfill, and thus scores highly among local authority waste disposal engineers who are constantly seeking to comply with regulations to reduce the amount of organic waste sent to landfill.
The PGP process however, also holds another merit and that is that it is being viewed more favourably by the public than incineration, and one main reason for that would be its clean emissions record when compared with incinerators historically.
Throughout Europe the requirement for BMW to be reduced by ever larger percentages necessitates the use of new technology to achieve this high rate of waste diversion, even after high recycling has also been achieved.
Look out for a plasma gasification plant appearing in a district near you soon, and look favourably upon it!
Steve has built a great web site where there are a lot more facts about gasification. This is a hot subject indeed for this technology which has become an essential read for all those who appreciate renewable energy issues and are interested in taking action to reduce the impact of climate change.Article Source: http://EzineArticles.com/?expert=Steve_D_Evans