1366 Technologies raises $20 million to fund a cheaper path to solar power.

As the Gulf disaster abates, scientists ponder the future of a ravaged ecosystem.

US natural gas driller to disclose chemical use.

Report says exposure to BPA in canned food is "far more extensive" than plastic bottles.

BPA and other everyday toxins are being linked to major health problems. How can policymakers protect us?

Atlantic coast under threat as tar balls wash up in Florida Keys.

A look at 350.org's planet-scale art project for the climate.

Exploring the connections between the environment and the human psyche.