California has found the tropical Asian tiger mosquito in the San Gabriel Valley, where it is not normally found. The species spreads various tropical diseases, and may be a symptom of climate change.

"As rising sea levels eat away at the California coastline over the next century, the advancing ocean could cause hundreds of millions of dollars in damage to beach communities as tourism and tax revenue is swept away, according to a state-commissioned study released Tuesday."

"The Environmental Protection Agency will miss an end-of-month target for proposing greenhouse gas regulations for power plants, the head of the EPA said on Wednesday."

"More Americans than last year believe the world is warming and the change is likely influenced by the Republican presidential debates, a Reuters/Ipsos poll said on Thursday.

The percentage of Americans who believe the Earth has been warming rose to 83 percent from 75 percent last year in the poll conducted Sept 8-12.

U.S. Republican presidential candidates, aside from Jon Huntsman, have mostly blasted the idea that emissions from burning fossil fuels and other human actions are warming the planet.

"The European Union is overestimating the reductions in greenhouse gas emissions achieved through reliance on biofuels as a result of a “serious accounting error,” according to a draft opinion by an influential committee of 19 scientists and academics."

"'There's a long tradition of people who don't like a particular message turning to attack the person delivering the message,' former Vice President Al Gore just said on NPR's Talk of the Nation."