‘Super-pollutants’ and the US Senate: How important is Kigali ratification?

Nigel Purvis, chief executive officer of Climate Advisers and a former State Department treaty lawyer, says that such approval may not be necessary. “It’s a well established principle of U.S. law that the President can approve, without further Congressional review, certain international agreements that fall under a treaty already approved by the Senate,” he wrote in an emailed statement to the Monitor. The Montréal Protocol, to which the Kigali Agreement is an amendment, was overwhelmingly approved by the Senate in 1988, with a vote of 83 to 0.

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