Disappointment as marathon climate talks end with slim deal

Activists protest outside of the COP25 climate talks congress in Madrid, Spain, Saturday. (AP Photo/Manu Fernandez)

Smoke and steam rise from a coal processing plant on Nov. 28 that produces carbon black, an ingredient in steel manufacturing, in Hejin in central China’s Shanxi Province. (AP Photo/Sam McNeil, File)

MADRID — Marathon U.N. climate talks ended Sunday with a slim compromise that sparked widespread disappointment, after major polluters resisted calls for ramping up efforts to keep global warming at bay and negotiators postponed debate about rules for international carbon markets for another year.