Union of Concerned Scientists
APRIL 20, 2023
A multi-decade legal history, including four Supreme Court decisions, has led to unimpeachable clarity on this one point: EPA has a statutory obligation to regulate carbon emissions from power plants under Section 111 of the Clean Air Act. EPA ruling, EPA can still establish rigorous carbon emissions standards.
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.
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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.
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. FERC , 925 F.3d
Environmental Progress
SEPTEMBER 12, 2020
US electricity sector emissions decreased 34 percent from 2005 to 2019, including an astonishing 10 percent in 2019, which is the largest year-on-year decline in history. Carbon emissions are thus following the same trajectory as other air pollutants.
ESA
JUNE 14, 2021
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. The Trump administration ended this rule in a 2019 regulation ( see ESA Policy News, Sept.
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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