Dot Earth asks why oil salvaged from the spill is going to BP instead of U.S. reserves.

Move follows plastic bag prohibitions by several Californian cities.

But do the functional benefits meet the aesthetic aims?

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

New nanotechnology research means your pants may one day power your iPod.

Artists give Rio community a radiant makeover.

Founders Peter Glatzer and Adrian Grenier interviewed in the Huffington Post.

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

Zero emissions? That depends on where you get the electricity to charge your car.

Age-old practice breathes new life into abandoned property.