BRUSSELS (AP) The European Union says delays by the U.S. and China are in the way of efforts to curb climate change and the big nations need to come to a summit next month with greenhouse gas reduction targets.

Two weeks before the U.N.-sponsored climate conference in Copenhagen, the world's largest polluters have not put any firm bids on the table and Swedish Prime Minister Fredrik Reinfeldt calls it "untenable."

Writing on an EU Web site, Reinfeldt says inaction "does not solve the threat of climate change."

U.S. negotiators are waiting until Congress completes domestic climate legislation.

China has promised to curb emissions but has not said by how much.

World leaders are no longer expected to reach a legally binding agreement in Copenhagen, and are aiming instead for a political deal.

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