Warming caused by one of the six main greenhouse gases will be taken out of the climate system through the Kigali Amendment agreed in the early morning hours today in Rwanda. The amendment to the Montreal Protocol to phase out HFCs is the largest temperature reduction ever achieved by a single agreement.
Today California Governor Jerry Brown signed the nation’s—and the world’s— strictest law against powerful short-lived super pollutants – SB 1383 – pushing the state’s near-term climate mitigation efforts one step further.
Next month, signatories to the 1989 Montreal Protocol on Substances that Deplete the Ozone Layer will convene in Kigali, Rwanda, to consider an amendment to the treaty that would gradually reduce, and eventually eliminate, the use of HFCs
The top climate priority of President Obama to use the Montreal Protocol to phase down HFCs became much more likely in the early hours of Sunday, when almost all parties converged on a narrower set of options on key issues as they concluded their extraordinary meeting in Vienna.
Today President Obama, Prime Minister Trudeau, and President Pena Nieto agreed to an aggressive double-barreled climate strategy, committing to cut both carbon dioxide, by moving to 50% clean energy sources by 2025, and the short-lived super pollutants.
Three years ago this month, President Obama began to redouble his already substantial efforts to address climate change. Since then he’s emerged as perhaps the most consequential climate leader in the world. His actions hold critical lessons for other leaders around the world, not least his successor in the Oval Office.
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