2017 Clean Water Act Ozone Sea Level 
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
MAY 17, 2021
reentry in the Trans-Pacific Partnership despite Trump’s decision to pull out of the pact in 2017. The Biden administration is currently reviewing the Trump administration’s Navigable Waters Protection Rule, which replaced the Obama administration’s Waters of the U.S. These indicators inform the National Climate Assessment.
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