Critical List: Emissions jumped in 2010; Japan has created the world’s most efficient solar cell
In 2010, greenhouse-gas emissions increased more than they ever had before in one year. Blame the tepid economic recovery.
The EPA's going to release initial results from its fracking investigation next year, but the final report won't come out until 2014.
Dig into the dysfunction of the Keystone XL approval process and the fighting between EPA, the White House, and the State Department.
Obama wants to cut tariffs on green goods.
World's! Most! Efficient! Solar Cell! (It converts 36.9 percent of solar energy into power.)
Where are the green jobs and clean energy projects? This interactive map knows.
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