Greenhouse Effect
COPENHAGEN - Delegates to a pivotal climate conference welcomed an Obama administration move Monday to regulate greenhouse gases under existing clean air law, but said they still expect more.
COPENHAGEN, Denmark - For 20 years, as this crowded planet grew warmer, nations have gathered annually to try to do something about it.
WASHINGTON - President Barack Obama is shifting the timing of his visit to an international climate summit in Copenhagen as prospects for a political agreement at the event seem more likely.
WASHINGTON - President Barack Obama on Friday abruptly altered the timing of his upcoming appearance at an international climate summit in Copenhagen, hoping to capitalize on steps by India and China and build a more meaningful political accord, a White House official told The Associated Press.
