The Sierra Club’s executive director, Michael Brune, revealed that from 2007 to 2010 the environmental group took more than $26 million of donations from people and companies connected to the natural gas industry.

The Obama administration is moving forward with offshore wind development.

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Warming oceans are encouraging the growth of coral … for now.

An MIT scientist used grass clippings to help power a new solar panel. It’s not very efficient though.

On bear bile farms in China, bears choose to stop eating and die rather than continue living in the farms’ conditions.