Humanity is choosing to destroy a livable climate, warn 18 of the world's leading climate experts in a new study. Led by James Hansen, they make the strongest case to date for a target of 350 parts per million (ppm) of CO2 in the air, or about 1°C (1.8°F) total warming.
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As nations gather in Poland to hash out a new U.N. climate treaty, a report shows that global carbon dioxide emissions are on track to set a new record -- putting the world on course for the catastrophic changes associated with the highest emissions scenario.
The Associated Press’ released a scathing new report on environmental degradation driven by American biofuel policy today -- which promptly got it into an online brawl with Fuels America, a group representing much of the U.S. biofuel industry.