• 2025-11-25 00:00

    EPA asks court to strike down fine particulate air pollution standard, threatening public health and undermining obligation under Clean Air Act

    WASHINGTON – The U.S. Environmental Protection Agency (EPA) filed a motion for vacatur in the Court of Appeals for the D.C. Circuit, asking the court to strike down the health-based fine particulate matter (PM2.5) standard the agency had strengthened last year. Kentucky V EPA Motion Vacatur “EPA’s motion is a blatant attempt to avoid legal
  • 2007-04-02 00:00

    Massachusetts v. Environmental Protection Agency Supreme Court Decision

    Supreme Court syllabus for Massachusetts v. EPA case regarding EPA’s denial of petition to regulate greenhouse gas emissions from motor vehicles under the Clean Air Act. The Court ruled that petitioners have standing to challenge EPA’s denial and that the agency must consider regulating greenhouse gases.
  • 1970-12-31 00:00

    Clean Air Act 1970 Public Law 91-604 Statute 84 Pg 1676

    December 31 , 1970 A N A C T [H. R. 17255] Xo amend the Clean Air Act to provide for a more effective program to improve the quality of the Nation's air. Be it enacted hy the Seriate and House of Bepresentatives of the United States of America in Congress asseinbled^ That this Act may be cited as the "Clean Air Amendments of 1970". Clean Air Amendments of 1970. Stat. 486. u s e 1857b. Appropriation. u s e 1857b-l . RESEARCH SEC. 2. (a) Section 103 of the Clean Air Act (42 U.S.C. 1857, et seq.) is amended by adding at the end thereof the following new subsection: "(f) (1) In cari*ying out research pursuant to this Act, the Admin- istrator shall give special emphasis to research on the short- and long- term effects of air pollutants on public health and welfare. In the furtherance of such research, he shall conduct an accelerated research program— "(A) to improve knowledge of the contribution of air pol- lutants to the occurrence of adverse effects on health, including, but not limited to, behavioral, physiological, toxicological, and bio- chemical effects; and " (B) to improve knowledge.of the short-and long-term effects of air pollutants on welfare. "(2) In carrying out the provisions of this subsection the Admin- istrator may— " (A) conduct epidemiological studies of the effects of air pol- lutants on mortality and morbidity; " (B) conduct clinical and laboratory studies on the immuno- logic, biochemical, physiological, and the toxicological effects including…
  • 1970-12-31 00:00

    42 USC Chapter 85, Subchapter II, Part B: Aircraft Emission Standards

    42 USC CHAPTER 85, SUBCHAPTER II, Part B: Aircraft Emission Standards Current 2024 Main Ed. (1/6/2025) [Titles 1 through 41] 2018 Ed. and Supplement V (1/3/2024) 2018 Ed. and Supplement IV (1/5/2023) 2018 Ed. and Supplement III (1/3/2022) 2018 Ed. and Supplement II (1/13/2021) 2018 Ed. and Supplement I (1/24/2020) 2018 Main Ed. (1/14/2019) 2012