tagged w/ Sustainable Energy
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Just outside Seville, in the desert region of Andalucia, Spain, sits an oasis-like sight: a 100-meter-high pillar surrounded by rows of giant mirrors rippling outward. More than 600 of these mirrors, each the size of half a tennis court, track the sun throughout the day, concentrating its rays on the central tower, where the sun's heat is converted to electricity -- enough to power 6,000 homes.
Full article at link. Why isn't our country doing this in the Mojave???Just outside Seville, in the desert region of Andalucia, Spain, sits an oasis-like... more
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As part of the Obama Administration's blueprint for an American economy built to last, Energy Secretary Steven Chu today announced $3 million available this year to support research to significantly lower the cost of solar energy. The funding will enable collaborative research teams from industry, universities and national laboratories to work together in the Energy Department's research centers including the Scientific User Facilities to develop solutions to drive down the cost of solar energy. By accelerating scientific breakthroughs, these research teams support the Department's SunShot Initiative goal to make solar energy cost competitive with other forms of energy by the end of the decade – creating jobs, enhancing U.S. energy security, and boosting American competitiveness in the global clean energy economy.
The past decade has seen explosive growth in global solar installations. For American companies to remain competitive in this growing market, they must continue to innovate, lowering the cost of existing products while transitioning breakthrough technologies into production.
Thats all well and good, but 3 megabucks is probably one hour's funding of the defense department. This is woefully inadequate if the US of A is going to be competative at all in cutting solar tech. Full article at the link.As part of the Obama Administration's blueprint for an American economy built to... more
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The New York Center for Sustainable Energy (NYCSE) has opened at Pier 1 in Brooklyn Bridge Park becoming New York City's first net zero educational center. The center is sustainably designed, entirely off-grid and modular. NYCSE will also serve Brooklyn Bridge Park's daily operations by collecting and storing solar energy, which is used to charge the Park's electric security and maintenance fleet.The New York Center for Sustainable Energy (NYCSE) has opened at Pier 1 in Brooklyn... more
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German industrial and engineering conglomerate Siemens is to withdraw entirely from the nuclear industry.
The move is a response to the Fukushima nuclear disaster in Japan in March, chief executive Peter Loescher said.
He told Spiegel magazine it was the firm's answer to "the clear positioning of German society and politics for a pullout from nuclear energy".
"The chapter for us is closed," he said, announcing that the firm will no longer build nuclear power stations.
Mr Loescher also gave his backing to the German government's planned switch to renewable energy sources, calling it a "project of the century" and claiming Berlin's target of reaching 35% renewable energy by 2020 was achievable.
The German chancellor, Angela Merkel, announced at the end of May that all of the country's 17 nuclear reactors would be shut down by 2022.
Prior to the Fukushima disaster, nuclear power accounted for 23% of electricity production in Germany.
The decision marked a complete U-turn by the chancellor, who only in September 2010 had announced that the life of existing nuclear plants would be extended by an average of 12 years.German industrial and engineering conglomerate Siemens is to withdraw entirely from... more
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Wetdog
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added this
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8 months ago
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While Tom Dispatch and Mother Jones prognosticates the details of the struggle to stop the further earth heating burning of fossil fuels, it seems inevitable that people will have to suffer sufficient out of control fires, massive floods, devastating heat increases and corresponding droughts, acidification of environments, poison water supplies, oil spill damaged ecosystems, and smog poisoned air before they'll shout "STOP KILLING US!".
http://motherjones.com/politics/2011/07/keystone-xl-oil-pipeline-tar-sands-middle-east
Perhaps the organizers of the August anti fossil fuel march on Washington will think to two prong the effort with a call for clean and sustainable energy research on a national emergency basis, while they have the nation's attention! If we're going to ask to "keep it; (fossil fuel), in the ground", then we need to demand what we want as an alternative. After all, it's all our money, so we should dictate how it's spent! It's our environment, so we should dictate how we want it treated!While Tom Dispatch and Mother Jones prognosticates the details of the struggle to stop... more
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A WAR TIME EFFORT, EQUALLING THE MANHATTAN PROJECT, AT LEAST, WOULD MAKE US ENERGY INDEPENDENT IN A COUPLE OF YEARS ONLY!
Energy in general, and the cost of oil/gasoline in particular, with their exhaustive drain on consumer purchasing power and adding prohibitively to the cost of most production, has been a NATIONAL CRISIS for some time now. Why then, is this most essential issue still being dallied with, and treated like something that we have to get around to, sometime, when it's "really" necessary.
While the "greatest" country in the world is dragging it's feet on the issue, Europe and China are racing ahead with plans to build enough high tech solar power collectors to power all of Europe: ( http://inhabitat.com/worlds-largest-solar-project-sahara-desert/ )
The priceofoil.org lays out how the subsidies which are given to the oil industry in exchange for large campaign contributions to legislators, are preventing the development of, and move towards clean sustainable energy. In other words, legislators are holding the entire nation, and our entire population, hostage to bankrupting oil dependency in exchange for campaign c ontributions. To make matters worse, they're giving Big Oil large sums of your money, and only getting back pennies on the dollar in campaign contributions. It's estimated that the various forms of subsidies given to oil this year tally in the range of 90 billion dollars! ( http://priceofoil.org/thepriceofoil/clean-energy/ ) ( http://www.csmonitor.com/USA/Politics/2011/0309/Budget-hawks-Does-US-need-to-give-gas-and-oil-companies-41-billion-a-year )
One can only conclude from all of this information, that the absence of campaign finance reform and the end of corporate personhood, which permits and fosters legislative corruption and the legislative betrayal of this country, for forty pieces of silver in the form of campaign contributions, is what is preventing this country from solving it's energy crisis and holding us hostage to foreign oil! And if this isn't a breach of legislative fiduciary to the people of the United States, can anyone clarify what is?A WAR TIME EFFORT, EQUALLING THE MANHATTAN PROJECT, AT LEAST, WOULD MAKE US ENERGY... more
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Surprisingly, these influential and outspoken panellists, who you might expect would have opposing views on just about everything, seem to be having a candid, but surprisingly civil conversation about a very controversial subject: was it something in the water?Surprisingly, these influential and outspoken panellists, who you might expect would... more
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Breaking News Updates Washoe County School District posted this alert today (Wednesday, Feb 16, 2011) — Washoe County schools are on a two hour delay. Project is One of Many Where Schools Nationwide Have Turned to United Solar for Green Energy Solutions
AUBURN HILLS, Mich., — United Solar, a leading global manufacturer of lightweight, flexible, thin-film solar modules and a wholly owned subsidiary of Energy Conversion Devices (Nasdaq:ENER), announced the completion of a 1.05 megawatt solar power system on a total of 21 school rooftops across the Washoe County School District in Reno, Nevada.Breaking News Updates Washoe County School District posted this alert today... more
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As the Mercedes F-Cell World Drive heads around the globe on its 125 day world trip to advocate for Hydrogen Fuel Cell Technology, Eco-Trek presented by German actress and presenter Anita Antonj will bring you the most innovative green ideas, initiatives and projects from the cities, towns and villages we pass though each week. This leg of the tour brings us from Paris, France to Barcelona, Spain where we discover some of the many ways Spain is keeping its cities green. Join us on this week's episode of Eco-Trek as we discover:
*Beach Garbage Hotel- Madrid A brand new hotel has opened in Madrid's city center made entirely of waste. The walls of the Beach Garbage Hotel, the brainchild of German artist Ha Schult, are made of materials found in landfills, the beaches and even flea markets.
*Sun Power - Spain is paving the way towards solar sustainability and its solar power development has been heralded. The Forum's photovoltaic pergola is one of the most popular symbols of Barcelona's new urban architecture, but more than that, it is an emblem of the city's commitment to renewable energies and sustainability. Interview with Eco-Architect Enric Ruiz Geli about how he incorporates green engineering into his modern buildings such as the Media-TIC building in Barcelona, an information and communication technology hub designed to incubate, generate, exhibit and invite new ideas and developments.
*Robotic Fish - Spain unleashes schools of Oceanic Pollution-Sniffing Robo Fish, to swim in the sea and monitor the level of pollutants coming from its busiest port.
Join us next week as Eco-Trek brings you more great green news stories from the path of the Mercedes F-Cell World Drive as the tour leaves Europe and continues on to the US from Miami, Florida.
To view more Eco-Trek episodes and further info on The Mercedes F-Cell World Drive log on to http://www.youtube.com/ecotrek2011As the Mercedes F-Cell World Drive heads around the globe on its 125 day world trip to... more
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As the Mercedes F-Cell World Drive heads around the globe on its 125 day world trip– Eco-Trek will bring you the most innovative green ideas, initiatives and projects from the cities, towns and villages we pass though each week. The purpose of the tour is to promote the building of the global infrastructure needed to make this emission free technology available to customers for everyday use around the world. This leg of the tour brings us from Stuttgart Germany to Paris France where we discover some of the many ways Paris keeps its city green. Join us on this weeks episode of Eco-Trek as we:
-Join The Mercedes F-Cell World Drive on the road through Paris
-Investigate the spectacular living wall on the Musée du Quai Branly with landscape designer Patrick Blanc
-Take a look at Paris’s FedEx bike powered fleet
-Visit French eco-artist Mathilde Roussel-Giraudy in her Paris studio
Be sure to be on the look out for next weeks episode of Eco-Trek as we joins the Mercedes F-Cell World Drive for the third leg of there historic trip around world from Paris to Spain.As the Mercedes F-Cell World Drive heads around the globe on its 125 day world... more
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Over the past several years, a number of companies and institutions have been developing technologies that could allow windows to double as solar panels. These have included EnSol’s metal nanoparticle-based spray-on product, RSi’s photovoltaic glass and Octillion’s NanoPower window. Last September, Maryland-based New Energy Technologies joined the party by demonstrating a 4 x 4 inch (10.2 x 10.2 cm) prototype of its SolarWindow product. This Tuesday, the company unveiled a working 12 x 12 inch (30.5 x 30.5 cm) prototype, which takes it significantly closer to becoming commercially-viable.
As is the case with EnSol’s technology, SolarWindow incorporates a spray-on photosensitive film. It is applied at room temperature, allows the window to remain transparent, and is capable of generating electricity from both artificial and natural light – the company's intention is that it would be used primarily on the exterior of windows, where it would be exposed to sunlight.
While the details of how the system works aren’t being fully disclosed, the company has stated that the film “replaces visibility-blocking metal [used in most solar panels] with environmentally-friendly and more transparent compounds."
New Energy Technologies claims that SolarWindow is superior to similar products in that its coating doesn’t have to be applied at a high temperature or in a vacuum, it is less than one-tenth the thickness of other “thin films,” and the solar cells used in each window are the world’s smallest functional models – less than a quarter the size of a grain of rice. It is also said to outperform other technologies by up to ten-fold when it comes to generating electricity from artificial light.
Although precise figures on efficiency aren’t available, the company estimates that when applied to the facade of an office tower, its product could generate over 300 percent the energy savings of traditional rooftop panels.
New Energy Technologies has also received some publicity for its experimental MotionPower system, that generates power from traffic driving over small plates embedded in roads.
http://www.gizmag.com/new-energy-technologies-solar-window/17777/Over the past several years, a number of companies and institutions have been... more
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# True.You need to have
# Higher taxes from the haves
# Develop the habit of savings
# Reduce conspicuous consumption
# Encourage small industries
# Discourage use of credit cards
# Reduce imports
# Cut military Budget
# Increase investment in infrastructure
# Reduce subsidy for oil
# Increase tax on oil
# Reduce deficit budget
# No body is going to like it.
# But done, it must be.
http://ramanan50.wordpress.com/2011/01/27/the-state-of-the-union/# True.You need to have
# Higher taxes from the haves
# Develop the habit of savings... more
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by Sarah Laskow, Media Consortium Blogger
For the environmental community, this coming year offers a chance to regroup, rethink and regrow. Two years ago, it seemed possible that politicians would make progress on climate change issues—that a Democratic Congress would pass a cap-and-trade bill, that a Democratic president would lead the international community toward agreement on emissions standards. And so for two years environmentalists cultivated plans that ultimately came to naught.
What comes next? What comes now? It’s clear that looking to Washington for environmental leadership is futile. But looking elsewhere might lead to more fertile ground.
Our new leaders
On Wednesday, the 112th Congress began, and Republicans took over the House. They are not going to tackle environmental legislation. This past election launched a host of climate deniers into office, and even members of Congress inclined to more reasonable environmental views, like Rep. Fred Upton, now chair of the House Energy and Commerce committee, have tacked towards the right. Whereas once Upton recognized the need for action on climate change and reducing carbon emissions, recently he has been pushing back against the Environmental Protection Agency’s impending carbon regulations and questioning whether carbon emissions are a problem at all.
“It’s worth remembering that Upton was once considered among the most moderate members of the GOP on the issue,” writes Kate Sheppard at Mother Jones. “No longer.”
Good riddance
The climate bill is really, truly, dead, and it’s not coming back. But as Dave Roberts and Thomas Pitilli illustrate in Grist’s graphic account of the bill’s demise recalls, by the time it reached the Senate, the bill was already riddled with compromises.
And so perhaps it’s not such bad news that there’s space now to rethink how progressives should approach environmental and energy issues.
“It’s refreshing to shake the Etch-a-Sketch. You get to draw a new picture. The energy debate needs a new picture,” policy analyst Jason Grumet said last month, as Grist reports.
Already, in The Washington Monthly, Jeffrey Leonard, the CEO of the Global Environmental Fund, is pitching an idea that played no part in the discussions of the past two years. He writes:
If President Obama wants to set us on a path to a sustainable energy future—and a green one, too—he should propose a very simple solution to the current mess: eliminate all energy subsidies. Yes, eliminate them all—for oil, coal, gas, nuclear, ethanol, even for wind and solar. … Because wind, solar, and other green energy sources get only the tiniest sliver of the overall subsidy pie, they’ll have a competitive advantage in the long term if all subsidies, including the huge ones for fossil fuels, are eliminated.
No impact? No sweat
Federal policies aren’t the only part of the picture that can be re-drawn. Even as Congress failed to act on climate change, an ever-increasing number of Americans decided to make changes to decrease their impact on the environment.
Colin Beavan committed more dramatically than most: his No Impact Man project required that he switch to a zero-waste life style. This year, he partnered with Yes! Magazine for No Impact Week, which asks participants to engage in an 8-day “carbon cleanse,” in which they try out low-impact living. Yes! is publishing the chronicles of participants’ ups and downs with the experiment: Deb Seymour found it empowering to give up her right to shop; Grace Porter missed her bus stop and had to walk two miles to school; Aran Seaman found a local site where he could compost food scraps.
The long view
Perhaps, for some of the participants, No Impact Week will continue on after eight days. After Seaman participated last year, he gave up his car in favor of biking and public transportation.
On the surface, giving up a convenience like that can seem like a sacrifice. But it needn’t be. Janisse Ray writes in Orion Magazine about her decision to give up plane travel for environmental reasons. Instead, she now travels long distances by train, and that comes with its own pleasures:
Through the long night the train rocks down the rails, stopping in Charleston, Rocky Mount, Richmond, and other marvelous southern places. People get on and off. Across the aisle a woman is traveling with two children I learn are her son, aged twelve, and her granddaughter, ten months. In South Carolina we pick up a woman come from burying her father. He had wanted to go home, she says. She drinks periodically from a small bottle of wine buried in the pocket of her black overcoat. The train is not crowded, and I have two seats to myself.
Our true leaders
Ultimately, though, sweeping environmental changes will require leadership and societal changes. American politicians may have abdicated that responsibility for now, but others are still fighting. In In These Times, Robert Hirschfield writes of Subhas Dutta, who’s building a green movement in India.
“The environmental issue is the issue of today. The political parties, all of them, have let us down,” Dutta says. “We want to be part of the decision-making process on the state and national levels. The struggle for the environment has to be fought politically.”
One person who understood that was Judy Bonds, the anti-mountaintop removal mining activist, who died this week of cancer. Grist, Change.org, and Mother Jones all have remembrances; at Change.org, Phil Aroneanu shared “a beautiful elegy to Judy from her friend and colleague Vernon Haltom:”
I can’t count the number of times someone told me they got involved because they heard Judy speak, either at their university, at a rally, or in a documentary. Years ago she envisioned a “thousand hillbilly march” in Washington, DC. In 2010, that dream became a reality as thousands marched on the White House for Appalachia Rising….While we grieve, let’s remember what she said, “Fight harder.”
This post features links to the best independent, progressive reporting about the environment by members of The Media Consortium. It is free to reprint. Visit the Mulch for a complete list of articles on environmental issues, or follow us on Twitter. And for the best progressive reporting on critical economy, health care and immigration issues, check out The Audit, The Pulse, and The Diaspora. This is a project of The Media Consortium, a network of leading independent media outlets.by Sarah Laskow, Media Consortium Blogger
For the environmental community, this... more
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The plentiful sunshine of southern Spain is being harvested to generate electricity day and night
DRIVING through the baking landscape of Almería, it is no mystery why this Spanish province is home to a novel type of power station that generates electricity by harnessing the heat of the sun.
For over 20 years, the Plataforma Solar de Almería, sited on an almost rainless plain in the south of the province, has been at the forefront of research into solar thermal power generation. Helped by Spain's sunny climate and generous government subsidies, this has led to the construction of 10 solar thermal plants across the country in the last three years alone. Some 50 more are planned.
Within the centre, parabolic dishes lie strewn about like huge discarded toys, but the site is dominated by a giant white tower. Thousands of mirrors, known as heliostats, surround it, catching sunlight and focusing it onto a receiver on top of the tower. This concentrated sunlight produces superheated steam that drives a turbine to generate electricity.
Till now, the mainstay of solar thermal power has been the parabolic trough system, in which carefully shaped parabolic mirrors direct solar energy onto glass tubes containing a heat-absorbing fluid. One of the drawbacks of such installations is that to keep costs down they need large areas of flat ground.
With solar towers this is unnecessary. The heliostats can hug the land at different levels and be individually calibrated to beam their rays to the receiver atop the tower.
Another advantage of towers is that they can operate at high temperatures. The heat-absorbing liquid used in the trough system is an oil that can only cope with temperatures up to 400 °C. With the tower there is no need for an intermediate fluid, and steam passing though the receiver is heated directly to around 550 °C. The higher temperature means the heat energy can be converted to electricity more efficiently.
However, because the towers produce steam directly, they cannot store the heat they collect and so stop generating electricity once the sun sets. A new Spanish project, the Gemasolar tower near Seville, may have solved this problem. The 19-megawatt tower will be the first in the world to use a mixture of molten salts to transfer heat from the receiver on top of the tower to a heat exchanger where steam to drive the turbines is generated.
The salt mixture, made up of sodium and potassium nitrates, can operate at the high temperatures generated in a solar tower's receiver. Because the hot molten salt can be stored until the heat it contains is needed, the Gemasolar plant is expected to be able to run for 15 hours without sunlight. The best parabolic trough plants can only manage about half that time.
If all goes well when Gemasolar launches next year, Spain should be able to profit from its scorching climate for some time to come.The plentiful sunshine of southern Spain is being harvested to generate electricity... more
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A new process that simultaneously combines the light and heat of solar radiation to generate electricity could offer more than double the efficiency of existing solar cell technology, say the Stanford engineers who discovered it and proved that it works. The process, called "photon enhanced thermionic emission," or PETE, could reduce the costs of solar energy production enough for it to compete with oil as an energy source.
Stanford engineers have figured out how to simultaneously use the light and heat of the sun to generate electricity in a way that could make solar power production more than twice as efficient as existing methods and potentially cheap enough to compete with oil.
Unlike photovoltaic technology currently used in solar panels – which becomes less efficient as the temperature rises – the new process excels at higher temperatures.
Called "photon enhanced thermionic emission," or PETE, the process promises to surpass the efficiency of existing photovoltaic and thermal conversion technologies.
"This is really a conceptual breakthrough, a new energy conversion process, not just a new material or a slightly different tweak," said Nick Melosh, an assistant professor of materials science and engineering, who led the research group. "It is actually something fundamentally different about how you can harvest energy."
And the materials needed to build a device to make the process work are cheap and easily available, meaning the power that comes from it will be affordable.
Melosh is senior author of a paper describing the tests the researchers conducted. It was published online Aug. 1 in Nature Materials.
"Just demonstrating that the process worked was a big deal," Melosh said. "And we showed this physical mechanism does exist; it works as advertised."
Most photovoltaic cells, such as those used in rooftop solar panels, use the semiconducting material silicon to convert the energy from photons of light to electricity. But the cells can only use a portion of the light spectrum, with the rest just generating heat.
This heat from unused sunlight and inefficiencies in the cells themselves account for a loss of more than 50 percent of the initial solar energy reaching the cell.
If this wasted heat energy could somehow be harvested, solar cells could be much more efficient. The problem has been that high temperatures are necessary to power heat-based conversion systems, yet solar cell efficiency rapidly decreases at higher temperatures.
Until now, no one had come up with a way to wed thermal and solar cell conversion technologies.
Melosh's group figured out that by coating a piece of semiconducting material with a thin layer of the metal cesium, it made the material able to use both light and heat to generate electricity.
"What we've demonstrated is a new physical process that is not based on standard photovoltaic mechanisms, but can give you a photovoltaic-like response at very high temperatures," Melosh said. "In fact, it works better at higher temperatures. The higher the better."
While most silicon solar cells have been rendered inert by the time the temperature reaches 100 degrees Celsius, the PETE device doesn't hit peak efficiency until it is well over 200 C.
Because PETE performs best at temperatures well in excess of what a rooftop solar panel would reach, the devices will work best in solar concentrators such as parabolic dishes, which can get as hot as 800 C. Dishes are used in large solar farms similar to those proposed for the Mojave Desert in Southern California and usually include a thermal conversion mechanism as part of their design, which offers another opportunity for PETE to help generate electricity as well as minimize costs by meshing with existing technology.
"The light would come in and hit our PETE device first, where we would take advantage of both the incident light and the heat that it produces, and then we would dump the waste heat to their existing thermal conversion systems," Melosh said. "So the PETE process has two really big benefits in energy production over normal technology."
Photovoltaic systems never get hot enough for their waste heat to be useful in thermal energy conversion, but the high temperatures at which PETE performs are perfect for generating usable high-temperature waste heat. Melosh calculates the PETE process can get to 50 percent efficiency or more under solar concentration, but if combined with a thermal conversion cycle, could reach 55 or even 60 percent – almost triple the efficiency of existing systems.
The team would like to design the devices so they could be easily bolted on to existing systems, thereby making conversion relatively inexpensive.A new process that simultaneously combines the light and heat of solar radiation to... more
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http://www.energy.eu/#depletion
According to www.energy.eu we don't have to worry. We have LOTS of oil left. Enough to last us another 37 years. IF we don't do something stupid like drilling more wells, or expanding tar sands production, or using petroleum faster.
The EEU calculated how much oil there is left in the world by adding up all of the known oil reserves in the world, then calculated the date and time that the last drop of oil on earth would be used up at the current rate of use(as of Jan, 1, 2010)
The time and date that the last drop of oil is gone will be 20:58 Oct 22, 2047.
(Find the numbers under the tab "depletion" toward the bottom of the page)
Of coarse, if we drill more and use more----the party will end sooner. Take off one year for each 1% that oil production and use expands.http://www.energy.eu/#depletion
According to www.energy.eu we don't have... more
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Wetdog
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added this
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1 year ago
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Folk music icon Pete Seeger and actor Mark Ruffalo joined elected officials and environmental advocates in Albany, NY on Tuesday to warn that a new method of gas extraction is destructive, unpredictable, and a threat to public health.
Ruffalo, a Sullivan County resident who recently appeared in the film The Kids Are Alright, held up a jar of water from a Pennsylvania town where the method of hydraulic fracturing (or hydro-fracking, for short) has contaminated the water supply. He warned that New Yorkers could suffer the same fate unless the state legislature takes action in the coming days.
Seeger, a longtime environmental activist, composed a song about fracking for the event highlighting the similarities between natural gas extraction and oil drilling: “And when 'drill baby drill' turns to 'spill baby spill,' God’s counting on me - God's counting on you.”
Hydro-fracking is a dirty, dangerous method of extracting gas from underground rock by drilling a well in the rock and then pumping thousands of gallons of a toxic soup of chemicals into the rock to create fissures that release the gas trapped inside.
Many companies are seeking to ramp up gas production by starting hydro-fracking operations in NY state this year.
Hydro-fracking has contaminated water across the country from Pennsylvania to Colorado and its effects are the subject of the new documentary GASLAND.
NY's Dept of Environmental Conservation holds the authority to grant permits to oil and gas companies. The Dept has stated that it plans to allow hydro-fracking to begin despite pressure from a massive grassroots campaign has been waged across the state to "kill the drill."
One grassroots organization that has decided to fight the oil and gas industry on hydro-fracking on the national level is Frack Action.
www.FrackAction.comFolk music icon Pete Seeger and actor Mark Ruffalo joined elected officials and... more
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