The Valencia science meeting is just a prologue to a meeting of diplomats from some 180 countries in Bali, Indonesia, to hammer out a new international agreement to control climate change. The current Kyoto Protocol, which was signed in 1997 and took effect in 2005, expires in 2012.

As Congress members and international diplomats roll up their sleeves for serious efforts at action in coming months, a final "synthesis" report from the top U.N. climate science body will brief them this week.

In January of 2007, the Society of Environmental Journalists added a special section to its Web site to help reporters cover climate change - which seems to be shaping up as one of the biggest environmental stories of the next decade.

Looking for a story with timely consumer appeal, audio/video fun, a climate change connection, and the opportunity to unleash your inner punster? Check out high-efficiency toilets (HETs), also known as "low-flow" or "dual-flush" toilets.

Escaped pythons and other tropical pet snakes may be able to survive in one-third of Southern states, USGS predicts in new report.

How health may be affected; accusation that Bush administration drastically altered CDC testimony to the Senate Environment and Public Works Committee on Oct. 23, 2007.

The first round of the Department of Energy's national study of energy transmission corridor congestion drew quite a bit of heat in affected areas once the final congested-corridor designations were issued.

Some lawyers are trying new legal approaches to climate change litigation.

The battle to control news media and public perceptions of the climate change issue will heat up this week as the Senate prepares to start debate on the first major US legislation to address the problem of global climate change.

Some cities are joining big companies in disclosing publicly their greenhouse emissions.