2009 Carbon Dioxide Clean Air Act 
The Energy Law
JANUARY 6, 2010
By Stephen Wiegand On December 15, 2009, EPA published in the Federal Register its final endangerment findings with respect to greenhouse gases. 15, 2009) [[link] This rulemaking is a response to Massachusetts v. These gases include carbon dioxide, methane, nitrous oxide, hydroflourocarbons, perflourocarbons, and sulfur hexafluoride.
The Energy Law
APRIL 7, 2010
497 (2007), the Supreme Court held that greenhouse gases are “pollutants” under the Clean Air Act but left open the specific question of whether greenhouse gases could be regulated under the PSD Program. EPA, 549 U.S.
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Legal Planet
MARCH 17, 2025
In late 2009, EPA made a formal finding often called the Endangerment Finding that greenhouse gases may endanger human health and welfare. In this post, Ill explain the 2009 finding, its significance, the specific arguments EPA is making, and why they are likely to fail. First, it has to qualify as an air pollutant.
Law Columbia
DECEMBER 9, 2024
EPAs 2024 Vehicle Standards EPA derives its authority and mandate to promulgate rules regulating mobile sources like light- and medium-duty vehicles from Section 202 of the Clean Air Act. In 2007, the Supreme Court held in Massachusetts v.
Smith Enviorment
JULY 12, 2022
Supreme Court issued a decision striking down an Obama era rule regulating carbon dioxide (CO2) emissions from existing power plants. EPA held the Obama administration’s Clean Power Plan Rule exceeded EPA’s authority under the Clean Air Act. The Clean Power Plan Rule.
Union of Concerned Scientists
MAY 19, 2022
Outside of bird protection acts of the early 20 th century, protections for water, air and the atmosphere are a late 20 th -century development, created in the wake of Rachel Carson’s 1962 treatise on pesticides, Silent Spring. Carbon dioxide is not a pollutant. All of us are exhaling carbon dioxide right now.
Law Columbia
MARCH 13, 2023
EPA , the United States Environmental Protection Agency (EPA) has regulated greenhouse gas (GHG) emissions from motor vehicles under the Clean Air Act. billion tons of carbon dioxide emissions by 2050. These emissions standards were significantly loosened in the last year of the Trump Administration.
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