Climate change policy of the United States

The politics of global warming is played out at a state and federal level in the United States.

The United States, although a signatory to the , has neither ratified nor withdrawn from the protocol. In 1997, the US Senate voted unanimously under the Byrd–Hagel Resolution that it was not the sense of the Senate that the United States should be a signatory to the Kyoto Protocol. In 2001, former National Security Adviser Condoleezza Rice, stated that the Protocol "is not acceptable to the Administration or Congress".

The United States, along with Kazakhstan, have not ratified the . The protocol is non-binding over the United States unless ratified. Presidents Bill Clinton, George W. Bush, and (as of January 2015^[update]) Barack Obama did not submit the treaty for ratification.

In October 2003, the Pentagon published a report titled An Abrupt Climate Change Scenario and Its Implications for United States National Security by Peter Schwartz and Doug Randall. The authors conclude by stating, "this report suggests that, because of the potentially dire consequences, the risk of abrupt climate change, although uncertain and quite possibly small, should be elevated beyond a scientific debate to a U.S. national security concern."

In October 2003 and again in June 2005, the McCain-Lieberman Climate Stewardship Act failed a vote in the US Senate. In the 2005 vote, Republicans opposed the Bill 49-6, while Democrats supported it 37–10.

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