2019 Carbon Dioxide Carbon Emissions Ozone 
Union of Concerned Scientists
APRIL 27, 2023
These new protections will include updates to power plant standards on carbon emissions , mercury pollution , and toxic coal ash pollution , just to name a few. But in reality the proposed emission targets were achieved 11 years early in 2019—without the plan ever even taking effect.
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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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.
Arnold Porter
JUNE 2, 2021
The SCC is a metric that seeks to capture all of the costs that emitting a ton of carbon dioxide (or equivalent amounts of other greenhouse gases such as methane) imposes on society by contributing to climate change over the hundreds of years it remains in the atmosphere. 2019); Birckhead v. 2019); Sierra Club v.
ESA
JUNE 14, 2021
Climate: The Environmental Protection Agency does not list a timetable to act on a new carbon dioxide rule for existing power plants. In 2019, the Trump administration rolled back standards put in place under the Obama administration following the 2010 BP oil catastrophe that killed 11 people and spewed oil for five months.
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