COPENHAGEN -- With an offer of significant new aid to help poor nations cope with the effects of global warming, the Obama administration began a major diplomatic effort Thursday aimed at saving the troubled climate talks before the president's expected arrival Friday morning. -
U.S. pledges aid, urges developing nations to cut emissions
COPENHAGEN -- With an offer of significant new aid to help poor nations cope with the effects of global warming, the Obama administration began a major diplomatic effort Thursday aimed at saving the troubled climate talks before the president's expected arrival Friday morning.-
By Juliet Eilperin and Anthony Faiola