The US Senate voted on Wednesday to approve an international climate treaty that would phase out the use of potent greenhouse gases used in refrigerators and air conditioners.
By a vote of 69 to 27, the Senate agreed that the US should join the 2016 Kigali Amendment, alongside 137 other countries, and pledge to reduce the production and use of hydrofluorocarbons.
The ratification of the updated treaty in the US Senate represents the second major piece of climate legislation to be passed in two months.
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