COPENHAGEN - A new draft climate agreement being considered by world leaders at the U.N. summit in Copenhagen dropped a previous 2010 deadline for achieving a legally binding treaty to fight global warming.

The latest draft obtained by The Associated Press doesn't have a deadline. Like previous drafts it refers to "deep cuts" in global emissions of greenhouse gases but does not give exact figures.

The original aim of the two weeks of talks here was to agree to a legally binding treaty to succeed the Kyoto Protocol, which expires in 2012. But when that became impossible, nations agreed to work towards a treaty next year. Now even that goal is in jeopardy.