Legal Opinion
Sierra Club v. Environmental Protection Agency
Court of Appeals for the D.C. Circuit
Decided October 24, 2017No. 16-1097PublishedCited by 12 opinions
1Opinion of the Court
WILLIAMS, Senior Circuit Judge:
The petitioners—environmental and community organizations—-contend that the Environmental Protection Agency has violated the Administrative Procedure Act and the Clean Air Act by modifying, without notice and comment, its prior understandings of how to measure a proposed transportation project’s impact on ambient levels of PM2.5 and PM10. (The first is particulate matter 2.5 micrometers or less in diameter; the second is particulate matter 10 micrometers or less in diameter.) The parties agree that the modification would, at the margin, make it less likely than…
2Cases cited20 opinions
- Lujan v. Defenders of WildlifeSupreme Court of the United States · 1992
- Lewis v. CaseySupreme Court of the United States · 1996
- Ruhrgas Ag v. Marathon Oil Co.Supreme Court of the United States · 1999
- DaimlerChrysler Corp. v. CunoSupreme Court of the United States · 2006
- Summers v. Earth Island InstituteSupreme Court of the United States · 2009
15 more not listed; retrieve them via the Exa API.
3Cited by12 opinions
- Natural Resources Defense Council v. Andrew WheelerCourt of Appeals for the D.C. Circuit · 2020
- POET Biorefining, LLC v. EPACourt of Appeals for the D.C. Circuit · 2020
- Valero Energy Corp. v. Envtl. Prot. AgencyCourt of Appeals for the D.C. Circuit · 2019
- Am. Fed'n of Gov't Emps. v. TrumpCourt of Appeals for the D.C. Circuit · 2018
- American Federation of Government Employees, Afl-Cio v. TrumpDistrict Court, District of Columbia · 2018
7 more not listed; retrieve them via the Exa API.