
Analysis of sulfur isotopes in ice cores fingers a volcano in the 19th-century dip in global temperatures.

You’ve heard about REDD, the program to "reduce emissions from deforestation and degradation." Why not RECC, an effort to Reduce Emissions from Cows and Cattle?

Lecturing at Duke University last week, physicist Amory Lovins predicted the end of our energy and climate woes.

Looking for the key to getting a jump on cutting U.S. greenhouse gas emissions? It may be in our homes.










