2010 Carbon Emissions Clean Air Act 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.
Union of Concerned Scientists
MARCH 29, 2023
In 2015, when he took office as AG after stints in the Texas Legislature, he sued the Environmental Protection Agency for strengthening a standard for ground-level ozone, better known as smog. EPA decision , upheld the EPA’s authority to regulate such emissions under the Clean Air Act but significantly constrained its ability to do so.
ESA
NOVEMBER 22, 2021
The pact recognizes that world’s countries would need to reduce global carbon emissions by 45% from 2010 levels by 2030 levels to limit warming to 1.5 EPA – Proposed Consent Decree, Clean Air Act Citizen Suit. degrees Celsius. Eastern Daylight Time on Dec. 1, 2021 ( comment period extended ).
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