Associated Press: U.N. climate talks were deadlocked Saturday as the U.S. and China clashed over what role the Chinese and other fast-growing economies should play in a new pact to fight global warming.
Disputes over climate aid for poor countries also overshadowed the Warsaw conference as it stretched a full day beyond its scheduled end time.
The two-week talks were supposed to lay the foundation for a 2015 climate deal in Paris that countries have agreed should apply to them all. But after all-night talks,...