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Courtesy City of New York These "crucial" recommendations, part of a 33-point building task force proposal, should apply to both future construction and existing structures.
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'Personal Climate Control,' Lasers, and the Wild Future of Thermostats
Why heat a whole building when infrared beams of warmth could follow us each around?
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Let Me Recycle That For You. Please.
In Buenos Aires, thousands of informal workers are ready to take on the task of improving the city's trash woes, if only the government would let them.
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Eerie Truths and Hard Lessons From a 1970s 'Ecotopia'
Revisiting Ernest Callenbach's controversial portrait of a more sustainable America.
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Videos
America's Fuel Source of the Future Could Be 'Pond Scum'
Rejoice, America: Researchers say the nation is equipped to produce "serious amounts" of algae biofuel.
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In Greenland, an Urban Heat Island Is Growing Fast
The country's almost laboratory-like conditions are a perfect place to measure the effect of human urban development on temperature.
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Maps
The States That Use the Most Green Energy
Texas leads the nation in wind power; in Washington, hydroelectric dams provide 60 percent of the state’s energy.
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How to Save Water-Starved Cities
The key, according to a new report, is forming partnerships with farmers.
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Powering Ohio Schools With Wind Energy
Building wind turbines isn’t cheap. But it will mean about $100,000 in energy savings each year for two small towns.
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How to Make Your Town Into a Bike-to-School Mecca
A contest in Ohio gets 4,000 kids biking more than 52,000 miles, while keeping roughly 57,292 pounds of carbon dioxide out of the air.
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The Best Excuse Ever for Getting Your Groceries Delivered: It's Greener
If used right, online grocery services like Peapod and FreshDirect could help reduce greenhouse-gas emissions.
