FRANK JORDANS and ARITZ PARRA
MADRID (AP) — 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.
Organizers kept delegates from almost 200 nations in Madrid far beyond Friday's scheduled close of the two-week talks. In the end, negotiators endorsed a general call for greater efforts to tackle climate change and several measures to help poor countries respond and adapt to its impacts.
U.N. Secretary-General António Guterres said he was "disappointed" by the meeting's outcome.
"The international community lost an important opportunit