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{{#Wiki_filter:A Solar Grand Plan: Scientific American http://www.scientificamerican.com/article.cfm?id=a-solar-grand-plan[12/27/2010 4:52:23 PM]Image: Schott AG/Commercial Handout/EPA/CorbisToday's Alternative EnergyPromising technologies to wean the world from fossil fuels, includingoffshore wind, solar, geothermal and hydrogen cars, among others  
{{#Wiki_filter:A Solar Grand Plan: Scientific American THE PRINT EDITION SEARCH View Latest Issue >>
>>October 20, 2008High prices for gasoline and home heatingoil are here to stay. The U.S. is at war in the Middle East at least in part to protect itsforeign oil interests. And as China, Indiaand other nations rapidly increase their demand for fossil fuels, future fighting overenergy looms large. In the meantime, power plants that burn coal, oil and natural gas, aswell as vehicles everywhere, continue to pour millions of tons of pollutants and greenhouse gases into the atmosphereannually, threatening the planet.Well-meaning scientists, engineers,economists and politicians have proposed various steps that could slightly reducefossil-fuel use and emissions. These stepsare not enough. The U.S. needs a bold plan to free itself from fossil fuels. Our analysis convinces us that a massive switch to solarHome >>Scientific American Magazine
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>>January 2008Feature Articles l More ScienceA Solar Grand PlanBy 2050 solar power could end U.S. dependence on foreignoil and slash greenhouse gas emissionsBy Ken Zweibel , James Mason and Vasilis Fthenakis
Log In or Register                                    Give Scientific American Mind >>
  l lDecember 16, 2007 l  l 717See Inside Share Email PrintA massive switch from coal, oil, naturalgas and nuclear power plants to solar power plants could supply 69 percent of the U.S.'s electricity and 35 percent of its total energy by 2050.A vast area of photovoltaic cells wouldIn BriefTHE PRINT EDITIONView Latest Issue
Log In to SA Digital Energy & Sustainability      Evolution    Health    Mind & Brain      Space    Technology    More Science Blog & Columns Multimedia        Magazines Home >> Scientific American Magazine >> January 2008 Feature Articles l More Science A Solar Grand Plan By 2050 solar power could end U.S. dependence on foreign oil and slash greenhouse gas emissions By Ken Zweibel, James Mason and Vasilis Fthenakis   l l See Inside December 16, 2007 l  l 717 Share      Email    Print Today's Alternative Energy Promising technologies to wean the world from fossil fuels, including offshore wind, solar, geothermal and hydrogen cars, among others >>
>>Give Scientific American
October 20, 2008 High prices for gasoline and home heating oil are here to stay. The U.S. is at war in the Middle East at least in part to protect its foreign oil interests. And as China, India and other nations rapidly increase their demand for fossil fuels, future fighting over energy looms large. In the meantime, power plants that burn coal, oil and natural gas, as well as vehicles everywhere, continue to pour millions of tons of pollutants and greenhouse gases into the atmosphere annually, threatening the planet.
>>Give Scientific American Mind
Image: Schott AG/Commercial Handout/EPA/Corbis Well-meaning scientists, engineers, In Brief economists and politicians have proposed various steps that could slightly reduce                        A massive switch from coal, oil, natural gas and nuclear power plants to solar fossil-fuel use and emissions. These steps power plants could supply 69 percent are not enough. The U.S. needs a bold plan                     of the U.S.s electricity and 35 percent to free itself from fossil fuels. Our analysis                  of its total energy by 2050.
>>SEARCH Log In or RegisterLog In to SA DigitalBlog & ColumnsEnergy & Sustainability Evolution HealthMind & Brain Space TechnologyMore Science Multimedia Magazines A Solar Grand Plan: Scientific American http://www.scientificamerican.com/article.cfm?id=a-solar-grand-plan[12/27/2010 4:52:23 PM]
convinces us that a massive switch to solar A vast area of photovoltaic cells would http://www.scientificamerican.com/article.cfm?id=a-solar-grand-plan[12/27/2010 4:52:23 PM]
power is the logical answer.Subscribe Buy This Issue Already a Digital subscriber? Sign-in NowIf your institution has site license access, enter here.have to be erected in the Southwest.Excess daytime energy would be stored as compressed air in underground caverns to be tapped during nighttime hours.Large solar concentrator power plantswould be built as well.A new direct-current powertransmission backbone would deliver solar electricity across the country.But $420 billion in subsidies from 2011to 2050 would be required to fund the infrastructure and make it cost-


competitive.-The Editors Infographic Photovoltaics Infographic Underground
A Solar Grand Plan: Scientific American power is the logical answer.                                    have to be erected in the Southwest.
 
Excess daytime energy would be stored as compressed air in underground caverns to be tapped during nighttime hours.
Storage Infogr a Concent SolarSupplemental MaterialPost a Comment l Read Comments (717)Reprints and Permissions  
Large solar concentrator power plants would be built as well.
>>}}
A new direct-current power transmission backbone would deliver solar electricity across the country.
But $420 billion in subsidies from 2011 to 2050 would be required to fund the infrastructure and make it cost-competitive.
The Editors Supplemental Material Infographic          Infographic     Infogra Photovoltaics       Underground     Concent Storage         Solar Subscribe          Buy This Issue Already a Digital subscriber? Sign-in Now If your institution has site license access, enter here.
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2010/12/28-A Solar Grand Plan - by 2050 Solar Power Could End U.S. Dependence on Foreign Oil and Slash Greenhouse Gas Emissions
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A Solar Grand Plan: Scientific American THE PRINT EDITION SEARCH View Latest Issue >>

Give Scientific American >>

Log In or Register Give Scientific American Mind >>

Log In to SA Digital Energy & Sustainability Evolution Health Mind & Brain Space Technology More Science Blog & Columns Multimedia Magazines Home >> Scientific American Magazine >> January 2008 Feature Articles l More Science A Solar Grand Plan By 2050 solar power could end U.S. dependence on foreign oil and slash greenhouse gas emissions By Ken Zweibel, James Mason and Vasilis Fthenakis   l l See Inside December 16, 2007 l  l 717 Share Email Print Today's Alternative Energy Promising technologies to wean the world from fossil fuels, including offshore wind, solar, geothermal and hydrogen cars, among others >>

October 20, 2008 High prices for gasoline and home heating oil are here to stay. The U.S. is at war in the Middle East at least in part to protect its foreign oil interests. And as China, India and other nations rapidly increase their demand for fossil fuels, future fighting over energy looms large. In the meantime, power plants that burn coal, oil and natural gas, as well as vehicles everywhere, continue to pour millions of tons of pollutants and greenhouse gases into the atmosphere annually, threatening the planet.

Image: Schott AG/Commercial Handout/EPA/Corbis Well-meaning scientists, engineers, In Brief economists and politicians have proposed various steps that could slightly reduce A massive switch from coal, oil, natural gas and nuclear power plants to solar fossil-fuel use and emissions. These steps power plants could supply 69 percent are not enough. The U.S. needs a bold plan of the U.S.s electricity and 35 percent to free itself from fossil fuels. Our analysis of its total energy by 2050.

convinces us that a massive switch to solar A vast area of photovoltaic cells would http://www.scientificamerican.com/article.cfm?id=a-solar-grand-plan[12/27/2010 4:52:23 PM]

A Solar Grand Plan: Scientific American power is the logical answer. have to be erected in the Southwest.

Excess daytime energy would be stored as compressed air in underground caverns to be tapped during nighttime hours.

Large solar concentrator power plants would be built as well.

A new direct-current power transmission backbone would deliver solar electricity across the country.

But $420 billion in subsidies from 2011 to 2050 would be required to fund the infrastructure and make it cost-competitive.

The Editors Supplemental Material Infographic Infographic Infogra Photovoltaics Underground Concent Storage Solar Subscribe Buy This Issue Already a Digital subscriber? Sign-in Now If your institution has site license access, enter here.

Post a Comment l Read Comments (717)

Reprints and Permissions >>

http://www.scientificamerican.com/article.cfm?id=a-solar-grand-plan[12/27/2010 4:52:23 PM]