The UN conference on climate change that begins December 7 in Copenhagen is supposed to produce new targets for emissions reductions, but experts say major countries are at odds on the ultimate goal …

Loss of forests is a major contributor to greenhouse-gas emissions. Plans to devise a policy tool for using trees for carbon dioxide sequestration are now under way.

A possible transfer of political power in the congressional midterm elections could doom short-term chances for a comprehensive climate bill. But experts say climate issues could still be addressed t…

Both presidential candidates have called for expanding U.S. energy production to create jobs, even as they disagree over the role of government subsidies and environmental regulation.