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Climate Politics

US Ratifies Kigali Climate Treaty to Slash Super-Pollutants

The phaseout of the chemicals used in air conditioning and refrigerators is expected to avoid billions of tons of climate-damaging emissions.

Senate Majority Leader Chuck Schumer.

Senate Majority Leader Chuck Schumer.

Photographer: Eric Lee/Bloomberg

The US Senate voted Wednesday to join more than 130 nations in pledging to phase out the use of super-polluting greenhouse gases found in refrigerators and air conditioners, a step that is expected to avoid as many greenhouse gas emissions as the entire planet emits every two years. 

By a vote of 69 to 27, the Senate ratified the 2016 Kigali amendment to the Montreal Protocol. Two-thirds of the senators present were required to vote yes for ratification.