Greenhouse Gases

NANJING, China - Chinese Premier Wen Jiabao rebuffed calls from European leaders for faster reforms of Beijing's currency policies and said Monday that China is doing all it can to reduce emissions of greenhouse gases.

BEIJING - China announced plans Thursday to cut its carbon emissions by up to 45 percent as measured against its economic output - a target aimed at keeping its surging growth while still reining in pollution.

WASHINGTON - President Barack Obama will commit the United States to substantial cuts in greenhouse gas pollution over the next decade - despite resistance in Congress over higher costs - when he travels to a major climate conference in Copenhagen next month.

WASHINGTON - President Barack Obama will commit the United States to a goal of substantial cuts in greenhouse gas pollution over the next decade when he travels to a widely anticipated climate conference in Copenhagen next month.