Climate Change

Reducing emissions in transportation fuels

By Daniel M. Kammen | Climate Change, Opinion

The need for an international moratorium on coal power

By James E. Hansen | Climate Change, Opinion

Reflections on the U.N. climate change negotiations in Bali

By Richard C. J. Somerville | Climate Change, Opinion

Time for a U.S. energy strategy

By Daniel M. Kammen | Climate Change, Opinion