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Developing countries called for more resources to help them fight the effects of global warming, as more than 1,000 diplomats began work Monday on a new accord to control greenhouse gases.

Aggressive measures would only trim annual world growth by 0.12 percent, new report says. But will politicians go along?

Over 100 Chinese cities, including smog-choked Beijing and Shanghai, have agreed to close their roads for the country's first "no car" day, the official Xinhua agency said on Saturday

The carbon credits produced under Kyoto may fall far short amid failed projects and faulty expectations; many carbon projects turn out to be high risk.

The average U.S. home causes twice as much greenhouse emissions as a single car, and as green housing market expands, several groups battle over standards and certification.

In his first foreign-policy declaration, president-elect Nicolas Sarkozy has named climate change France's "first battle," but analysts warn that the combat is long-term and complex.

In his first foreign-policy declaration, president-elect Nicolas Sarkozy has named climate change France's "first battle," but analysts warn that the combat is long-term and complex.

Despite widespread optimism, a growing body of experts are expressing doubts about the biofuel boom, arguing that the rush into biofuel production is actually creating more problems than it is solving.