2009 Endangered Species Act Ocean 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
Supreme Court to hear Clean Water Act case. UN seeks input about possible topics for the Ocean and Climate Change Dialogue. This body will review the EPA’s scientific review of current ozone pollution standards. In 2019, the Trump administration opted to keep ozone pollution standards the same. International.
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