2007 Clean Air Act Sea Level 
Union of Concerned Scientists
MARCH 29, 2023
EPA decision , upheld the EPA’s authority to regulate such emissions under the Clean Air Act but significantly constrained its ability to do so. Mississippi: Lynn Fitch The sea level off the coast of Mississippi—the fifth hottest state—is rising more rapidly than in most other coastal areas, largely because the land is sinking.
Union of Concerned Scientists
FEBRUARY 18, 2025
Back in 2007, the Supreme Court reached a landmark judgment in Massachusetts et al. establishing that heat-trapping emissions (or greenhouse gas emissions) are air pollutants covered by the Clean Air Act. What is the Endangerment Finding? Environmental Protection Agency et al. What is Zeldin being directed to do?
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Union of Concerned Scientists
FEBRUARY 18, 2025
Back in 2007, the Supreme Court reached a landmark judgment in Massachusetts et al. establishing that heat-trapping emissions (or greenhouse gas emissions) are air pollutants covered by the Clean Air Act. What is the Endangerment Finding? Environmental Protection Agency et al. What is Zeldin being directed to do?
Law Columbia
MARCH 13, 2023
Following the 2007 landmark Supreme Court case Massachusetts v. EPA , the United States Environmental Protection Agency (EPA) has regulated greenhouse gas (GHG) emissions from motor vehicles under the Clean Air Act. 497 (2007), the Supreme Court reversed EPA’s denial. EPA , 549 U.S.
Law Columbia
OCTOBER 18, 2024
EPA’s 2024 Power Plant Rules EPA is required to regulate power plant emissions under Section 111 of the Clean Air Act. In 2007, the Supreme Court held in Massachusetts v. The Power Plant Rules also preserve the cooperative federalism framework within which EPA regulates GHG emissions.
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