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Almost 90 percent of U.S. buyers say fuel economy will be a major factor when purchasing their next vehicle
Mark Jacobson says he can run the planet solely on wind, water and solar energy. First stop: New York State
Many parts of the Atlantic and Pacific are up by 1 degree Celsius or more
Warming down to 700 meters could also affect currents, weather
Falling leaves and branches are important, but roots and their fungi win out
Leaded gasoline and lead paint are gone, but other sources are keeping the danger high
Ulyana Horodyskyj says her video cameras were recording a surprising rate of glacial melting in the Himalayas
Exclusive reply to Scientific American points to reduced oil dependence and clean-energy investments
Interactive map shows extreme temperatures, rainfall, snowfall, floods, wildfires and droughts
Riding a bike is more dangerous than driving a car; hang gliding is riskier than scuba diving
Consequences of good and bad health habits are boiled down to 30-minute slices of your life
Volunteers have hidden 1,700 of his glass globes worldwide
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