Global warming

Talks on global warming in the United States next week may be complicated by differences among developing countries as their climate policy positions diverge.

A U.S. federal judge tossed out a lawsuit by California's attorney general on Monday seeking hundreds of millions of dollars from six automakers for damaging the state with climate-changing greenhouse gases.

The high-level meeting would bring together the world's biggest polluters to find ways to reduce greenhouse gas emissions.

Organizers want to set a new standard for recycling mountains of trash and gases generated by the events.

Google Inc. aims to cut or offset all of its greenhouse emissions by the end of the year, the Web search leader said on Tuesday .

Environment ministers from over 180 nations gathered on Friday in Nairobi to mark the end of a two-week UN climate summit. Delegates agreed to review the Kyoto Protocol in 2008 in order to expand the fight against global warming beyond 2012.

Will the spending needed to prevent global warming cost the world more than just sitting back, or even enjoying the possible financial benefits of a hotter planet?

Billionaire Virgin Group Chairman Richard Branson on Thursday committed an estimated $ 3 billion over the next 10 years, or all of the profits from his airline and rail businesses, to combating global warming.