2007 Clean Air Act Greenhouse 
Legal Planet
FEBRUARY 28, 2025
The issue was whether state plans under the Clean Air Act only need to prevent violation of national air quality standards, or whether they must prevent deterioration in areas where the air is already cleaner than the standards. National Highway Traffic Safety Administration (2007). Ruckelshaus (1973).
Union of Concerned Scientists
JULY 1, 2022
Because while this decision does still recognize EPA’s authority to regulate greenhouse gas emissions, it simultaneously sharply curtails the agency’s ability to do so. EPA did not revoke EPA’s underlying authority to regulate greenhouse gas emissions under the Clean Air Act. ” Justice Kagan, dissenting.
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Legal Planet
JULY 12, 2023
The bench trial took place last month in the state capitol, Helena, where 16 youth plaintiffs ages 5 to 22 made the case that Montana’s unwavering promotion of fossil fuels violates the state constitution’s guarantee to a “clean and healthful environment.” We can’t tell,” Running reportedly answered.
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. In its findings published on December 15, EPA concluded that six greenhouse gases taken in combination may reasonably be anticipated to endanger public health and public welfare. See 74 Fed.
The Energy Law
APRIL 7, 2010
By Stephen Wiegand EPA recently announced its position regarding the timing of the regulation of greenhouse gases under the Clean Air Act’s Prevention of Significant Deterioration (PSD) Program. In Massachusetts v. EPA, 549 U.S. EPA, 549 U.S.
Real Climate
APRIL 2, 2021
But this also raises other questions: 1) Can we expect the season to continue to lengthen as global warming from increasing concentration of globally well mixed greenhouse gas (GWM-GHG) continues to warm the Atlantic SSTs? and European Clean Air Acts and Amendments of the 1970s ( Mann and Emanuel 2006 ; Dunstone et al.
Vermont Law
JUNE 30, 2014
Summary: Last week the Supreme Court handed down its second Clean Air Act case of the term, Utility Air Regulatory Group v. The case involved a challenge to EPA’s attempt to regulate greenhouse gases in the Prevention of Significant Deterioration (PSD) program of the Clean Air Act.
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