U.S. Secretary of State Hillary Clinton has announced that the United States is prepared to join other rich countries in raising $100 billion in yearly climate financing for poor countries by 2020.
The announcement could give a boost to deadlocked climate talks which have faltered over disputes between rich and poor countries over emissions cuts and climate financing.
Clinton says that the financing is contingent on world leaders reaching a broader climate pact at the U.N. talks in Copenhagen.
She says the deal must include all major economies, meaningful actions to cut greenhouse gas emissions and a system to ensure all parties' actions are transparent.
Clinton says "$100 billion is a lot. It can have tangible effects."
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