2009 Endangered Species Act Greenhouse Ozone 
Columbia Climate Law
MAY 8, 2020
EPA of a 2015 rule barring replacement of ozone-depleting substances with hydrofluorocarbons (HFCs), which are powerful greenhouse gases. Circuit vacated the 2015 rule to the extent that it prohibited continued use of HFCs by companies that previously switched to HFCs from an ozone-depleting substance. In Mexichem , the D.C.
ESA
JANUARY 31, 2022
White House: President Biden met with the President’s Council of Advisors on Science and Technology after a meeting of the council, which focused on efforts to improve monitoring of greenhouse gas emissions and accelerate innovation in energy technology. In 2019, the Trump administration opted to keep ozone pollution standards the same.
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