Group items tagged global warming - qmstech2

How Does CO2 Cause Global Warming? | eHow.com - 0 views

www.ehow.com/1_co-cause-global-warming.html

global warming co2 fossil fuels pollution

shared by dpurdy on 23 Mar 13 - No Cached

Carbon dioxide contributes to global warming by absorbing heat energy from the earth, trapping it and preventing its release into space.
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Is Tidal Energy a sustainable way to produce power? | GreenAnswers - 4 views

greenanswers.com/...-sustainable-way-produce-power

tide sustainable

shared by rodriguezjos99 on 22 Oct 12 - No Cached

It does not create any emissions that may contribute to global warming.
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Tidal energy is most sustainable and beneficial as a tool in a larger tool belt of renewable energy sources needed to meet our energy demands.
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albrechtjen99 on 08 Mar 13

"tidal power is a renewable source of electrical power that is used in addition to other sources of energy. It does not create any emissions that may contribute to global warming. Tidal power is not entirely the most consistent source of electricity though, as it does not adhere to peak usage schedules, due to daily tidal cycles (differing energy harnessing potential between Ebb and Flood tides). Tidal energy is most sustainable and beneficial as a tool in a larger tool belt of renewable energy sources needed to meet our energy demands."

<div class="cArrow"> </div><div class="cContentInner">"tidal power is a renewable source of electrical power that is used in addition to other sources of energy. It does not create any emissions that may contribute to global warming. Tidal power is not entirely the most consistent source of electricity though, as it does not adhere to peak usage schedules, due to daily tidal cycles (differing energy harnessing potential between Ebb and Flood tides). Tidal energy is most sustainable and beneficial as a tool in a larger tool belt of renewable energy sources needed to meet our energy demands."</div>

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rodriguezjos99 on 11 Mar 13

"Yes, tidal power is a renewable source of electrical power that is used in addition to other sources of energy. It does not create any emissions that may contribute to global warming. Tidal power is not entirely the most consistent source of electricity though, as it does not adhere to peak usage schedules, due to daily tidal cycles (differing energy harnessing potential between Ebb and Flood tides). Tidal energy is most sustainable and beneficial as a tool in a larger tool belt of renewable energy sources needed to meet our energy demands."

<div class="cArrow"> </div><div class="cContentInner">"Yes, tidal power is a renewable source of electrical power that is used in addition to other sources of energy. It does not create any emissions that may contribute to global warming. Tidal power is not entirely the most consistent source of electricity though, as it does not adhere to peak usage schedules, due to daily tidal cycles (differing energy harnessing potential between Ebb and Flood tides). Tidal energy is most sustainable and beneficial as a tool in a larger tool belt of renewable energy sources needed to meet our energy demands."</div>

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How we know human activity is causing warming | Environmental Defense Fund - 1 views

www.edf.org/...human-activity-causes-warming

pollution Fossil co2

shared by dpurdy on 30 Oct 12 - No Cached

The theory of global warming is nothing new. The Nobel Prize-winning chemist Svante Arrhenius first proposed the idea of global warming in 1896. Carbon dioxide, he knew, traps heat in the Earth's atmosphere. He also knew that burning coal and oil releases carbon dioxide (CO2).
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Solar Power Energy Information, Solar Power Energy Facts - National Geographic - 0 views

environment.nationalgeographic.com/...solar-power-profile

solar co2

shared by sokolkyl00 on 29 Oct 12 - No Cached

Every hour the sun beams onto Earth more than enough energy to satisfy global energy needs for an entire year. Solar energy is the technology used to harness the sun's energy and make it useable. Today, the technology produces less than one tenth of one percent of global energy demand.
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In one technique, long troughs of U-shaped mirrors focus sunlight on a pipe of oil that runs through the middle. The hot oil then boils water for electricity generation. Another technique uses moveable mirrors to focus the sun's rays on a collector tower, where a receiver sits. Molten salt flowing through the receiver is heated to run a generator.
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Despite the drawbacks, solar energy use has surged at about 20 percent a year over the past 15 years, thanks to rapidly falling prices and gains in efficiency. Japan, Germany, and the United States are major markets for solar cells. With tax incentives, solar electricity can often pay for itself in five to ten years.
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Solar energy is lauded as an inexhaustible fuel source that is pollution and often noise free. The technology is also versatile.
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valentivin99 on 29 Oct 12

" Today, the technology produces less than one tenth of one percent of global energy demand."

<div class="cArrow"> </div><div class="cContentInner">" Today, the technology produces less than one tenth of one percent of global energy demand."</div>

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kennedyeri98 on 11 Mar 13

Intriguing facts about the suns energy on how they use it on oil and the drawback

<div class="cArrow"> </div><div class="cContentInner">Intriguing facts about the suns energy on how they use it on oil and the drawback </div>

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bondycal00 on 26 Sep 13

Every hour the sun beams onto Earth more than enough energy to satisfy global energy needs for an entire year. Solar energy is the technology used to harness the sun's energy and make it useable. Today, the technology produces less than one tenth of one percent of global energy demand.

<div class="cArrow"> </div><div class="cContentInner">Every hour the sun beams onto Earth more than enough energy to satisfy global energy needs for an entire year. Solar energy is the technology used to harness the sun's energy and make it useable. Today, the technology produces less than one tenth of one percent of global energy demand.</div>

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How long have people been using geothermal energy? - Curiosity - 1 views

curiosity.discovery.com/...-long-people-geothermal-energy

geothermal history

shared by bonnjos98 on 12 Mar 13 - No Cached

knightoli99 on 12 Mar 13

"It may surprise you to know that the ancient Romans had central heating. They used geothermal energy - in the form of hot springs - to heat their homes. Geothermal heating wasn't used in an organized fashion since until the late 19th century when Boise, Idaho, piped in water from local hot springs to warm buildings. Now, geothermal energy is used globally. Reykjavik, Iceland, leads the world in use of geothermal energy, heating 95 percent of its buildings with heat from below the Earth's surface."

<div class="cArrow"> </div><div class="cContentInner">"It may surprise you to know that the ancient Romans had central heating. They used geothermal energy - in the form of hot springs - to heat their homes. Geothermal heating wasn't used in an organized fashion since until the late 19th century when Boise, Idaho, piped in water from local hot springs to warm buildings. Now, geothermal energy is used globally. Reykjavik, Iceland, leads the world in use of geothermal energy, heating 95 percent of its buildings with heat from below the Earth's surface."</div>

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bonnjos98 on 13 Mar 13

"It may surprise you to know that the ancient Romans had central heating. They used geothermal energy - in the form of hot springs - to heat their homes. Geothermal heating wasn't used in an organized fashion since until the late 19th century when Boise, Idaho, piped in water from local hot springs to warm buildings. Now, geothermal energy is used globally. Reykjavik, Iceland, leads the world in use of geothermal energy, heating 95 percent of its buildings with heat from below the Earth's surface."

<div class="cArrow"> </div><div class="cContentInner">"It may surprise you to know that the ancient Romans had central heating. They used geothermal energy - in the form of hot springs - to heat their homes. Geothermal heating wasn't used in an organized fashion since until the late 19th century when Boise, Idaho, piped in water from local hot springs to warm buildings. Now, geothermal energy is used globally. Reykjavik, Iceland, leads the world in use of geothermal energy, heating 95 percent of its buildings with heat from below the Earth's surface."</div>

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How do fossil fuels cause pollution - 1 views

wiki.answers.com/...o_fossil_fuels_cause_pollution

fossil fuels pollution

shared by dpurdy on 15 Mar 13 - No Cached

brownale99 on 15 Mar 13

"Fossil fuels, even when burned perfectly (natural gas, or methane, burns the best) release carbon dioxide which is a greenhouse gas causing dangerous global warming. Most fossil fuels also release smoke (leading to smog), and they may also release sulfur oxides and nitrogen oxides which contribute to acid rain."

<div class="cArrow"> </div><div class="cContentInner">"Fossil fuels, even when burned perfectly (natural gas, or methane, burns the best) release carbon dioxide which is a greenhouse gas causing dangerous global warming. Most fossil fuels also release smoke (leading to smog), and they may also release sulfur oxides and nitrogen oxides which contribute to acid rain."</div>

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dpurdy on 19 Mar 13

"Fossil fuels, even when burned perfectly (natural gas, or methane, burns the best) release carbon dioxide which is a greenhouse gas causing dangerous global warming. Most fossil fuels also release smoke (leading to smog), and they may also release sulfur oxides and nitrogen oxides which contribute to acid rain."

<div class="cArrow"> </div><div class="cContentInner">"Fossil fuels, even when burned perfectly (natural gas, or methane, burns the best) release carbon dioxide which is a greenhouse gas causing dangerous global warming. Most fossil fuels also release smoke (leading to smog), and they may also release sulfur oxides and nitrogen oxides which contribute to acid rain."</div>

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Global Warming and Climate Change | Greenpeace - 0 views

www.greenpeace.org/...global-warming-and-energy

geothermal solar wind history global warming climate change greenpeace

shared by bakereli00 on 08 Mar 13 - No Cached

Research has shown that with current technology, renewable energy sources like wind, solar, and geo-thermal can provide almost all of our primary energy demand.
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brownale99 on 08 Mar 13

"The Solutions With current technology, renewable energy sources like wind, solar, and geothermal can provide 96% of our electricity and 98% of our total heating demand - accounting for almost all of our primary energy demand."

<div class="cArrow"> </div><div class="cContentInner">"The Solutions With current technology, renewable energy sources like wind, solar, and geothermal can provide 96% of our electricity and 98% of our total heating demand - accounting for almost all of our primary energy demand."</div>

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How Geothermal Energy Works | Union of Concerned Scientists - 1 views

www.ucsusa.org/...w-geothermal-energy-works.html

geothermal sustainable

shared by knightoli99 on 11 Mar 13 - No Cached

Many regions of the world are already tapping geothermal energy as an affordable and sustainable solution to reducing dependence on fossil fuels, and the global warming and public health risks that result from their use. For example, more than 8,900 megawatts (MW) of large, utility-scale geothermal capacity in 24 countries now produce enough electricity to meet the annual needs of nearly 12 million typical U.S. households (GEA 2008a). Geothermal plants produce 25 percent or more of electricity in the Philippines, Iceland, and El Salvador.
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parkergar99 on 11 Mar 13

"The U.S. Department of Energy found that heat pumps can save a typical home hundreds of dollars in energy costs each year, with the system typically paying for itself in 8 to 12 years. Tax credits and other incentives can reduce the payback period to 5 years or less.10 "

<div class="cArrow"> </div><div class="cContentInner">"The U.S. Department of Energy found that heat pumps can save a typical home hundreds of dollars in energy costs each year, with the system typically paying for itself in 8 to 12 years. Tax credits and other incentives can reduce the payback period to 5 years or less.10 "</div>

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knightoli99 on 11 Mar 13

"Heat from the earth can be used as an energy source in many ways, from large and complex power stations to small and relatively simple pumping systems. This heat energy, known as geothermal energy, can be found almost anywhere-as far away as remote deep wells in Indonesia and as close as the dirt in our backyards. FROM OUR BLOG The Latest on Renewable Energy from Our Experts and Analysts Will Clean Energy Research and Development Be Sequestered? Laura Wisland PTC Extension Already Making a Big Difference for Wind Steve Clemmer The Local Energy Movement: Coming to a Town Near You Laura Wisland Subscribe to the Energy blog feed Many regions of the world are already tapping geothermal energy as an affordable and sustainable solution to reducing dependence on fossil fuels, and the global warming and public health risks that result from their use. For example, more than 8,900 megawatts (MW) of large, utility-scale geothermal capacity in 24 countries now produce enough electricity to meet the annual needs of nearly 12 million typical U.S. households (GEA 2008a). Geothermal plants produce 25 percent or more of electricity in the Philippines, Iceland, and El Salvador."

<div class="cArrow"> </div><div class="cContentInner">"Heat from the earth can be used as an energy source in many ways, from large and complex power stations to small and relatively simple pumping systems. This heat energy, known as geothermal energy, can be found almost anywhere-as far away as remote deep wells in Indonesia and as close as the dirt in our backyards. FROM OUR BLOG The Latest on Renewable Energy from Our Experts and Analysts Will Clean Energy Research and Development Be Sequestered? Laura Wisland PTC Extension Already Making a Big Difference for Wind Steve Clemmer The Local Energy Movement: Coming to a Town Near You Laura Wisland Subscribe to the Energy blog feed Many regions of the world are already tapping geothermal energy as an affordable and sustainable solution to reducing dependence on fossil fuels, and the global warming and public health risks that result from their use. For example, more than 8,900 megawatts (MW) of large, utility-scale geothermal capacity in 24 countries now produce enough electricity to meet the annual needs of nearly 12 million typical U.S. households (GEA 2008a). Geothermal plants produce 25 percent or more of electricity in the Philippines, Iceland, and El Salvador."</div>

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Five Reasons Why Tidal Energy is the Wave of the Future - Green Living Ideas - 3 views

greenlivingideas.com/...ergy-is-the-wave-of-the-future

tide future co2 pollution

shared by rodriguezjos99 on 11 Mar 13 - No Cached

Green energy has never been more important than it is today with the looming threat of global warming. Every possible effort must be made to reverse the worldwide threat of climate change by subsidizing and switching to green energy. One often-overlooked source of clean, renewable energy comes not from solar, wind or geothermal power, but from the tides.
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Tidal Energy is valuable to environmentalists because unlike fossil fuels the source of energy will not be depleted in the foreseeable future no matter how much energy is collected.
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The collection of tidal energy is clean because it involves very little emission of carbon dioxide and other greenhouse gases
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...3 more annotations...
The pattern of tides is extremely stable and not strongly affected by weather conditions which suggests that it would be a very stable source of green energy.
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Moving water can exert a much greater force on a turbine than wind which means the turbine can turn slowly and still produce a great deal of electricity. The slow and stable tidal forces are ideal parameters for engineering energy solutions. The fact that the turbines can be slow-moving makes it easier to avoid interfering with local ecosystems
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While the initial cost of building tidal energy plants is high, the plants are expected to run for a very long time which will make them more cost-effective in the long run
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rodriguezjos99 on 13 Mar 13

"Five Reasons Why Tidal Energy is the Wave of the Future JANUARY 4, 2013 BY GUEST CONTRIBUTOR LEAVE A COMMENT Join GLI's 10,000 other followers on Twitter! Green energy has never been more important than it is today with the looming threat of global warming. Every possible effort must be made to reverse the worldwide threat of climate change by subsidizing and switching to green energy. One often-overlooked source of clean, renewable energy comes not from solar, wind or geothermal power, but from the tides. 1. Tidal Energy is Renewable Tidal Energy is valuable to environmentalists because unlike fossil fuels the source of energy will not be depleted in the foreseeable future no matter how much energy is collected. The gravitational relationship between the Earth and the moon is extremely stable in the long term just like solar, wind and geothermal energy. 2. Tidal Energy is Green The collection of tidal energy is clean because it involves very little emission of carbon dioxide and other greenhouse gases. However, the marine ecosystem is fragile and great care must be taken to avoid interfering with the lives of organisms that depend on the tide."

<div class="cArrow"> </div><div class="cContentInner">"Five Reasons Why Tidal Energy is the Wave of the Future JANUARY 4, 2013 BY GUEST CONTRIBUTOR LEAVE A COMMENT Join GLI's 10,000 other followers on Twitter! Green energy has never been more important than it is today with the looming threat of global warming. Every possible effort must be made to reverse the worldwide threat of climate change by subsidizing and switching to green energy. One often-overlooked source of clean, renewable energy comes not from solar, wind or geothermal power, but from the tides. 1. Tidal Energy is Renewable Tidal Energy is valuable to environmentalists because unlike fossil fuels the source of energy will not be depleted in the foreseeable future no matter how much energy is collected. The gravitational relationship between the Earth and the moon is extremely stable in the long term just like solar, wind and geothermal energy. 2. Tidal Energy is Green The collection of tidal energy is clean because it involves very little emission of carbon dioxide and other greenhouse gases. However, the marine ecosystem is fragile and great care must be taken to avoid interfering with the lives of organisms that depend on the tide."</div>

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Global Warming And Your Car | Car Talk - 0 views

www.cartalk.com/...global-warming-and-your-car-0

cost fossil fuels

shared by dpurdy on 23 Mar 13 - No Cached

Burning one gallon of gas creates 20 pounds of carbon dioxide, and the average car emits about six tons of carbon dioxide every year
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So... let's accept that global warming is caused by greenhouse gasses, chief among them carbon dioxide. Cars emit carbon dioxide as part of their emissions...
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Biofuel Facts, Biofuel Information - National Geographic - 0 views

environment.nationalgeographic.com/...biofuel-profile

shared by stockmanchl99 on 13 Mar 12 - Cached

Biofuels have been around as long as cars have. At the start of the 20th century, Henry Ford planned to fuel his Model Ts with ethanol, and early diesel engines were shown to run on peanut oil.
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stockmanchl99 on 08 Mar 13

"On the face of it, biofuels look like a great solution. Cars are a major source of atmospheric carbon dioxide, the main greenhouse gas that causes global warming. But since plants absorb carbon dioxide as they grow, crops grown for biofuels should suck up about as much carbon dioxide as comes out of the tailpipes of cars that burn these fuels. And unlike underground oil reserves, biofuels are a renewable resource since we can always grow more crops to turn into fuel. Unfortunately, it's not so simple. The process of growing the crops, making fertilizers and pesticides, and processing the plants into fuel consumes a lot of energy. It's so much energy that there is debate about whether ethanol from corn actually provides more energy than is required to grow and process it. Also, because much of the energy used in production comes from coal and natural gas, biofuels don't replace as much oil as they use. For the future, many think a better way of making biofuels will be from grasses and saplings, which contain more cellulose. Cellulose is the tough material that makes up plants' cell walls, and most of the weight of a plant is cellulose. If cellulose can be turned into biofuel, it could be more efficient than current biofuels, and emit less carbon dioxide. "

<div class="cArrow"> </div><div class="cContentInner">"On the face of it, biofuels look like a great solution. Cars are a major source of atmospheric carbon dioxide, the main greenhouse gas that causes global warming. But since plants absorb carbon dioxide as they grow, crops grown for biofuels should suck up about as much carbon dioxide as comes out of the tailpipes of cars that burn these fuels. And unlike underground oil reserves, biofuels are a renewable resource since we can always grow more crops to turn into fuel. Unfortunately, it's not so simple. The process of growing the crops, making fertilizers and pesticides, and processing the plants into fuel consumes a lot of energy. It's so much energy that there is debate about whether ethanol from corn actually provides more energy than is required to grow and process it. Also, because much of the energy used in production comes from coal and natural gas, biofuels don't replace as much oil as they use. For the future, many think a better way of making biofuels will be from grasses and saplings, which contain more cellulose. Cellulose is the tough material that makes up plants' cell walls, and most of the weight of a plant is cellulose. If cellulose can be turned into biofuel, it could be more efficient than current biofuels, and emit less carbon dioxide. "</div>

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Biofuel crops may worsen global warming: study - CTV News - 0 views

www.ctv.ca/...biofuel_crops_080209

global warming

shared by dpurdy on 03 Nov 11 - No Cached

"Our study found that any biofuel that causes clearing of natural ecosystems will increase global warming," Joe Fargione, a scientist for The Nature Conservancy, told CTV.ca.
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He said converting natural areas into croplands results in tons of carbon being emitted into the atmosphere -- a carbon 'debt' that outweighs any benefits.
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anonymous on 28 Sep 13

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Wind Power Information, Wind Power Facts - National Geographic - 1 views

environment.nationalgeographic.com/...wind-power-profile

wind form

shared by bishophan00 on 11 Mar 13 - No Cached

Wind is a clean source of renewable energy that produces no air or water pollution.
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Wind is the movement of air from an area of high pressure to an area of low pressure. In fact, wind exists because the sun unevenly heats the surface of the Earth. As hot air rises, cooler air moves in to fill the void. As long as the sun shines, the wind will blow. And as long as the wind blows, people will harness it to power their lives.
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The wind spins the blades, which turn a shaft connected to a generator that produces electricity. Other turbines work the same way, but the turbine is on a vertical axis and the blades look like a giant egg beater.
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...5 more annotations...
At the end of last year, global capacity was more than 70,000 megawatts.
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And since the wind is free, operational costs are nearly zero once a turbine is erected.
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Globally, generation more than quadrupled between 2000 and 2006.
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n the energy-hungry United States, a single megawatt is enough electricity to power about 250 homes.
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ndustry experts predict that if this pace of growth continues, by 2050 the answer to one third of the world's electricity needs will be found blowing in the wind.
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barnardnat99 on 11 Mar 13

where wind energy come from

<div class="cArrow"> </div><div class="cContentInner">where wind energy come from</div>

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conwayjam99 on 13 Mar 13

". At the end of last year, global capacity was more than 70,000 megawatts. In the energy-hungry United States, a single megawatt is enough electricity to power about 250 homes. "

<div class="cArrow"> </div><div class="cContentInner">". At the end of last year, global capacity was more than 70,000 megawatts. In the energy-hungry United States, a single megawatt is enough electricity to power about 250 homes. "</div>

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My Library - 0 views

www.diigo.com/bonnjos98

geothermal

shared by bonnjos98 on 13 Mar 13 - No Cached

bonnjos98 on 13 Mar 13

""It may surprise you to know that the ancient Romans had central heating. They used geothermal energy - in the form of hot springs - to heat their homes. Geothermal heating wasn't used in an organized fashion since until the late 19th century when Boise, Idaho, piped in water from local hot springs to warm buildings. Now, geothermal energy is used globally. Reykjavik, Iceland, leads the world in use of geothermal energy, heating 95 percent of its buildings with heat from below the Earth's surface." more from curiosity.discovery.com - Not Cached - Edit - Delete - Share▼ - Preview"

<div class="cArrow"> </div><div class="cContentInner">""It may surprise you to know that the ancient Romans had central heating. They used geothermal energy - in the form of hot springs - to heat their homes. Geothermal heating wasn't used in an organized fashion since until the late 19th century when Boise, Idaho, piped in water from local hot springs to warm buildings. Now, geothermal energy is used globally. Reykjavik, Iceland, leads the world in use of geothermal energy, heating 95 percent of its buildings with heat from below the Earth's surface." more from curiosity.discovery.com - Not Cached - Edit - Delete - Share▼ - Preview"</div>

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Biofuel Facts - 0 views

environment.nationalgeographic.com/...biofuel-profile

sustainable biofuel

shared by schmettererdav00 on 11 Mar 13 - No Cached

Much of the gasoline in the United States is blended with a biofuel—ethanol. This is the same stuff as in alcoholic drinks, except that it's made from corn that has been heavily processed. There are various ways of making biofuels, but they generally use chemical reactions, fermentation, and heat to break down the starches, sugars, and other molecules in plants. The leftover products are then refined to produce a fuel that cars can use.
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schmettererdav00 on 20 Sep 13

On the face of it, biofuels look like a great solution. Cars are a major source of atmospheric carbon dioxide, the main greenhouse gas that causes global warming. But since plants absorb carbon dioxide as they grow, crops grown for biofuels should suck up about as much carbon dioxide as comes out of the tailpipes of cars that burn these fuels. And unlike underground oil reserves, biofuels are a renewable resource since we can always grow more crops to turn into fuel.

<div class="cArrow"> </div><div class="cContentInner">On the face of it, biofuels look like a great solution. Cars are a major source of atmospheric carbon dioxide, the main greenhouse gas that causes global warming. But since plants absorb carbon dioxide as they grow, crops grown for biofuels should suck up about as much carbon dioxide as comes out of the tailpipes of cars that burn these fuels. And unlike underground oil reserves, biofuels are a renewable resource since we can always grow more crops to turn into fuel.</div>

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Geothermal Energy and Global Warming - 0 views

www.envirocitizen.org/...1008.html

geothermal sustainable

shared by dpurdy on 24 Mar 13 - No Cached

While geothermal energy itself is renewable, geothermal sites are not necessarily. An overworked site, or one with an excessively large energy plant, can quickly be depleted.
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dpurdy on 24 Mar 13

Great Point!!

<div class="cArrow"> </div><div class="cContentInner">Great Point!!</div>

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Research Report: does solar power contribute to global warming - 1 views

ultimate-research-assistant.com/ResearchReport.asp

co2 solar

shared by troisichr99 on 22 Oct 12 - No Cached

But only about 12 percent gets turned into electricity, and the rest is reradiated as heat--which contributed to Global Warming
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solar panels trap a greater amount of energy from the sun than the natural terrain (since it is black) and consequently retains that energy on earth contributing to the rising temperatures on the planet.
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Hydrogen Fuel-Cell Vehicles - Is Hydrogen the Fuel of the Future? - 1 views

environment.about.com/...fcv.htm

hydrogen fuel all benifits

shared by smithree98 on 15 Mar 12 - No Cached

The benefits of ditching fossil fuels for hydrogen are many, of course. Burning fossil fuels like coal, natural gas and oil to heat and cool our buildings and run our vehicles takes a heavy toll on the environment, contributing significantly to both local problems such as elevated particulate levels and global ones such as a warming climate. The only by-product of running a hydrogen-powered fuel cell is oxygen and a trickle of water, neither of which will cause any harm to human health or the environment.
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But right now, 95 percent of the hydrogen available in the United States is either extracted from fossil fuels or made using electrolytic processes powered by fossil fuels, thus negating any real emissions savings or reduction in fossil-fuel usage. Only if renewable energy sources—solar, wind and others—can be harnessed to provide the energy to process hydrogen fuel can the dream of a truly clean hydrogen fuel be realized.
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They concluded that we’d lower greenhouse gas emissions more by driving gasoline/electric hybrid cars than by driving fuel-cell cars run on hydrogen from coal. Hydrogen made using natural gas would fare a little bit better in terms of pollution output, while making it from wind power would be a slam-dunk for the environment.
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replacing the fossil fuels responsible for global warming and various nagging forms of pollution.
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Another problem is the lack of hydrogen refueling stations
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many reasons, ranging from safety to cost to lack of demand.
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they are spending upwards of $1 million to produce each one due to the advanced technology involved and low production runs. Toyota hopes to reduce its costs per fuel-cell vehicle to around $50,000 by 2015
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smithree98 on 22 Oct 12

says most things about hydrogen and what it does

<div class="cArrow"> </div><div class="cContentInner">says most things about hydrogen and what it does</div>

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Using solar panels helps prevent global warming - 0 views

www.naturalnews.com/021676_solar_power_panels.html