New case for regulating CO2 emissions. The nation's big power companies are creating smaller amounts of gases that cause smog and acid rain than they were 15 years ago, but they're producing more greenhouse gases. [News Source]

Climate science: A sinking feeling. The floods are getting worse in Tuvalu, on the front line of climate change. [News Source]

Climate researchers feeling heat from White House. Scientists doing climate research for the federal government say the Bush administration has made it hard for them to speak forthrightly to the public about global warming. [News Source]

Fossil fuels threatening sea life, researchers say. Acid levels from carbon dioxide are rising in the Pacific, impeding shell formation. [News Source]

The heat is on. Climate change is expected to have a vital impact on the way we live our lives and on our health. [News Source]

Scientists in dispute over carbon curbs - magazine. A row has broken out between scientists seeking a way to bring more nations into the carbon curbing fold after the first phase of the Kyoto Treaty expires in 2012, New Scientist magazine said on Wednesday. [News Source]

Chicago climate mart to try CO2 link with EU. A voluntary Chicago emissions market said on Tuesday it is trying to arrange a deal in which its members can use carbon dioxide emissions allowances from the European Union in "demonstration transfers" to meet commitments in its bourse. [News Source]

Air heats up high above Antarctica. Although rapid warming at the surface of Antarctica has been well-documented, this is the first report of climate change much higher above the continent. [News Source]

Warming advocates no longer frozen out. In five years, global warming has evolved from an issue of concern only to environmentalists to one that generates high anxiety among the media, the scientific community, the public and even large investors. [News Source]

Report says Southern Co. nation’s No. 2 polluter. A new study of U.S. power plant pollutants shows certain harmful emissions fell between 1990 and 2004, but global warming emissions climbed during the same period and one culprit was Southern Co. [News Source]

Electric utilities’ emissions get look. A new report on power plant pollution says the country's top 100 electric utilities increased their greenhouse gas emissions by 27 percent from 1990 through 2004, even as they reduced other pollutants significantly. [News Source]