Generate text that refutes this claim: A more informal agreement avoids the US congress  The United States Congress is a potential hurdle for any climate agreement. While President Barack Obama is keen to make tackling climate change a legacy of his Presidency the Republican dominated Congress is both likely to try to block the President for that very reason and is sceptical of climate change. It is therefore a major benefit to have an agreement that will not need to be submitted to Congress for approval as any treaty needs to be confirmed by the Senate.  The Secretary of State Kerry argues that it is “definitely not going to be a treaty,” and “not going to be legally binding reduction targets like Kyoto”. It won’t need to be passed to the Senate because the President already has the power to implement the agreement through existing law. [1]  [1] Mufson, Steven, and Demirjian, Karoun, ‘Trick or treaty? The legal question hanging over the Paris climate change conference’, Washington Post, 30 November 2015,
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The United States Senate would be a potential sticking point for any treaty however it would be unlikely that the United States would hold out against the rest of the world. At the worst case it would simply sign next time the democrats gain a majority.