Union of Concerned Scientists

DECEMBER 10, 2023

Global net anthropogenic greenhouse gas emissions 1990–2019. Global net anthropogenic greenhouse gas emissions include carbon dioxide from fossil fuel combustion and industrial processes, net carbon dioxide from land use, land use change and forestry, methane, nitrous oxide, and fluorinated gases.

Fossil Fuels 312

Fossil Fuels Carbon Dioxide Climate Change Paris Agreement 312

Union of Concerned Scientists

OCTOBER 15, 2024

This, along with many other chemicals, like diesel particulates and ground-level ozone that form soot and smog, and metals like lead in paint and drinking water, are regulated by the EPA to keep us safe. PFAS is shorthand for a class of “forever chemicals” that persist in the environment indefinitely.

2025 333

2025 Ground-Level Ozone Air Pollution Climate Change 333

Legal Planet

MARCH 17, 2025

In late 2009, EPA made a formal finding often called the Endangerment Finding that greenhouse gases may endanger human health and welfare. In this post, Ill explain the 2009 finding, its significance, the specific arguments EPA is making, and why they are likely to fail. First, it has to qualify as an air pollutant.

Clean Air Act 219

Clean Air Act Air Pollution 2009 Greenhouse 219

ESA

JANUARY 31, 2022

White House: President Biden met with the President’s Council of Advisors on Science and Technology after a meeting of the council, which focused on efforts to improve monitoring of greenhouse gas emissions and accelerate innovation in energy technology. In 2019, the Trump administration opted to keep ozone pollution standards the same.

2022 52

2022 Climate Change Clean Water Act Ozone 52

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. Following the 2007 landmark Supreme Court case Massachusetts v. These emissions standards were significantly loosened in the last year of the Trump Administration. Since Massachusetts v.

Clean Air Act 59

Clean Air Act Air Pollution Climate Change Regulations 59

Columbia Climate Law

MAY 8, 2020

EPA of a 2015 rule barring replacement of ozone-depleting substances with hydrofluorocarbons (HFCs), which are powerful greenhouse gases. Circuit vacated the 2015 rule to the extent that it prohibited continued use of HFCs by companies that previously switched to HFCs from an ozone-depleting substance. In Mexichem , the D.C.

2020 40

2020 Endangered Species Act Climate Change Greenhouse 40