WASHINGTON (Reuters) – The U.S. Senate will vote on Wednesday on approving the Kigali amendment to a major global climate treaty, top Senate Democrat Chuck Schumer said on Wednesday. “Today the Senate will finish the work of ratifying the Kigali amendment,” Schumer said in a speech to the Senate. Two-thirds of the Senate, or 67 votes, are needed for approval for passage. (Reporting by Moira Warburton in Washington)