California, which releases more greenhouse-gas emissions than any other U.S.

Guangdong, the biggest of China's seven pilot carbon trading markets, will this year hand out around 6 percent more emission permits to companies than in 2013, potentially aggravating oversupply th

As China lays down plans for a national carbon trading scheme, the world's biggest emitter of greenhouse gases risks repeating mistakes made in carbon trading in Europe by flooding its pilot market

The Palmer United party leader, Clive Palmer, has announced plans to host an unofficial “world climate change convention” at his Sunshine Coast resort, but would not reveal who would attend.

California Governor Jerry Brown and Mexican environmental officials signed a pact on Monday aimed at reducing greenhouse gas emissions, an agreement that could eventually expand the market for carb

Japan and Mexico have signed a deal for Japanese companies to earn carbon credits by investing in technology to cut greenhouse gas emissions in Mexico - in Japan's 12th bilateral carbon agreement.

The nearly 200 firms in Shanghai's emissions trading scheme cut their CO2 output by 5.3 million tonnes in 2013 compared with 2011, government officials said Monday, according to state-owned media.

Australia's repeal of a pioneering tax on carbon emissions has dealt a sharp blow to struggling international efforts to coordinate on global warming and comes ahead of key climate-change talks nex

Some developers of projects to cut carbon emissions in developing nations, particularly China, are likely to pull out of the U.N.