Legal Planet

AUGUST 22, 2023

States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.

Regulations 130

Regulations Ozone Air Pollution Clean Air Act 130

Union of Concerned Scientists

APRIL 20, 2023

In effect, the Court argued that for decisions of “such economic and political significance”—here, shifting electricity generation from one resource to another—there must be clear congressional authorization. In issuing its decision , the majority relied upon a new-to-the-Supreme-Court framework called the “major questions doctrine.”

Clean Air Act 199

Clean Air Act Fossil Fuels Carbon Emissions Clean Energy 199

Legal Planet

AUGUST 24, 2023

This is part of an occasional series of posts about the evolution of pollution standards. Today’s subject is pollution control for new vehicles, which have been known to cause smog since the 1960s. The history of these pollution standards is quite distinctive. Congress adjusted the standards twice. gpm NOx standard.

Ground-Level Ozone 216

Ground-Level Ozone Pollution Control Clean Air Act Ozone 216

Law Columbia

MARCH 13, 2023

Since then, EPA has consistently regulated GHG emissions from motor vehicles, although the scope of EPA’s GHG emissions regulations has been the subject of a political tug-of-war. In many of the states challenging EPA’s emissions regulations, local governments are leading the fight against climate change.

Clean Air Act 55

Clean Air Act Air Pollution Climate Change Regulations 55

Law Columbia

SEPTEMBER 10, 2021

In an unpublished judgment, the court rejected the petitioners’ other NEPA arguments regarding project design and capacity and cumulative ozone impacts. The court agreed with the defendants, however, that injunctive relief ordering a remedial plan or an accounting of greenhouse gas emissions would violate the political question doctrine.

2021 40

2021 Endangered Species Act Climate Change Fossil Fuels 40

ESA

NOVEMBER 22, 2021

It will likely be at least two weeks before the Senate takes up the legislation and the Senate will likely make major changes to the bill before passing the legislation for political and parliamentary reasons. EPA – Request for Nominations of Candidates for the Clean Air Scientific Advisory Committee (CASAC) Ozone Panel. 3, 2021.

2021 105

2021 Conservation Endangered Species Act Climate Change 105