2013 Clean Water Act Endangered Species Act Ozone 
ESA
OCTOBER 24, 2022
ESA and other scientific societies file brief arguing that the interpretation of the Clean Water Act is inherently founded on science. US law protecting endangered species hampered by poor resources, study says – The Guardian. Clean Water Act at 50: environmental gains, challenges unmet – Associated Press.
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.
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