"Climate change could more than triple the risk of catastrophic wildfires in parts of Australia, a top environmental group warned Thursday, almost a year since savage firestorms that killed 173 people."

"President Obama refused to back down from his ambitious energy and climate change agenda during last night's State of the Union address, prodding the Senate to pass a comprehensive bill despite complaints from moderates in both parties that the issue is too big to tackle in an election year."

"A politically divided Securities and Exchange Commission voted on Wednesday to make clear when companies must provide information to investors about the business risks associated with climate change."

"Barack Obama put himself firmly behind the effort to get a climate change bill through Congress last night -- but said it must include a new generation of nuclear power."

A new peer-reviewed analysis by scientists at the National Climatic Data Center concludes that skeptic Anthony Watts' 2009 critique of the U.S. temperature record is itself contrary to the actual data.

A move is afoot in California to put on the ballot an initiative that would cripple the state's effort to slash its greenhouse emissions.

"Just a month after world leaders fashioned a tentative and nonbinding agreement at the climate change summit meeting in Copenhagen, the deal already appears at risk of coming undone, the top United Nations climate official warned... . "

"A leading congressional Democrat said President Obama needs to 'lay the prestige of the presidency on the line' in his State of the Union address Wednesday and in the months to come on climate change."

Measured temperatures offer evidence of manmade global warming that belie the increasing success of deniers funded by fossil fuel industries in damaging public confidence in science.

"U.S. Senator Lisa Murkowski, a leading Republican on energy policy, on Thursday moved to stop the Environmental Protection Agency from regulating greenhouse gas emissions that are blamed for global warming."