Jul 30, 2012 Commentator Mark Bittman says industrial meat production accounts for at least one-fifth of greenhouse gas emissions.
Jul 26, 2012 The latest study on the unprecedented loss of ice covering the Arctic says it is 70 percent the result of human-caused climate change.
Jul 25, 2012 And can power your house. Plus, don’t go online before bed because it made some hamsters depressed.
Jul 23, 2012 Soon most seafood consumed worldwide will be farmed, not wild. Vietnamese farmers are raising pangasius -- sold in U.S. and European markets as "catfish" -- on an industrial scale, while researchers and environmentalists seek to make fish farming both efficient and environmentally safe.
Jul 17, 2012 The United States isn't the only country looking for a place to store nuclear waste safely for all eternity. But the U.S. may be closer to a solution.
Jul 6, 2012 Three days of extreme heat in Chicago in 1995 caused over 700 deaths. New York University professor Eric Klinenberg talks about what we've learned from that catastrophe.
Jun 21, 2012 If these wells are leaking, they could contaminate water supplies and disrupt the most important way we dispose of liquid waste.
Jun 19, 2012 Yvo deBoer, co-writer of the original Kyoto Protocol, talks about the Rio+20 Earth Summit, how climate change is being perceived in the global community, and names a surprising country that's making the best sustainable efforts right now.
Jun 8, 2012 Here in the United Kingdom, retail giants like Wal-Mart and grocery store chain Tesco are food waste into green energy.