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

Smith Enviorment

DECEMBER 19, 2023

The legislature put two provisions in the Appropriations Act of 2023 (House Bill 259) to prevent state agencies from adopting rules intended to reduce emissions of greenhouse gasses such as carbon dioxide (CO2) in the state. Other air quality provisions expedite permitting and construction of new or expanded sources of air pollutants.

2023 98

2023 Ozone Clean Air Act Air Pollution 98

Law Columbia

SEPTEMBER 10, 2021

Circuit found that FERC failed to address the significance of a National Environmental Policy Act (NEPA) regulation that the petitioners argued required use of the social cost of carbon or another methodology to assess the impacts of the projects’ greenhouse gas emissions. Protect Our Aquifer v. 20-1045 (D.C.

2021 40

2021 Endangered Species Act Climate Change Fossil Fuels 40

Law Columbia

MARCH 13, 2023

EPA , the United States Environmental Protection Agency (EPA) has regulated greenhouse gas (GHG) emissions from motor vehicles under the Clean Air Act. The brief also highlighted the public health and environmental justice concerns that tailpipe emissions raise in cities. billion tons of carbon dioxide emissions by 2050.

Clean Air Act 55

Clean Air Act Air Pollution Climate Change Regulations 55