Union of Concerned Scientists

MARCH 23, 2023

In 2021 alone, the plants slated for retirement emitted more than 28,000 tonnes of nitrogen oxides (NO x ), 32,000 tonnes of sulfur dioxide (SO 2 ), and 51 million tonnes of carbon dioxide (CO 2 ), according to EIA data. NO x also contributes to the formation of ozone (or “smog”), another toxic pollutant.

Fossil Fuels 197

Fossil Fuels 2023 Clean Energy Nitrogen Oxides 197

HumanNature

MARCH 31, 2021

Figure 1: Size reference for atmospheric particles (US EPA 2016) and a general structure of freshly created black carbon. Direct Environmental Effects Did you know that black carbon is the second most important warming agent in our atmosphere behind carbon dioxide (CO 2 )? link] Climate & Clean Air Coalition.

Atmosphere 52

Atmosphere Carbon Emissions 2020 2012 52

Columbia Climate Law

DECEMBER 2, 2019

The emissions make a significant contribution to climate change because methane is a highly potent greenhouse gas which, in the first 20 years after it is released, traps approximately 84 times more heat in the earth’s atmosphere than carbon dioxide (on a per ton basis).

Regulations 52

Regulations Natural Gas Air Pollution Ground-Level Ozone 52

Law Columbia

MARCH 13, 2023

billion tons of carbon dioxide emissions by 2050. While the Clean Air Act (CAA) has been amended multiple times since 1970, this basic requirement has remained untouched. The petitioners, joined by intervenor States and local governments, appealed this determination, and in Massachusetts v. EPA , 549 U.S.

Clean Air Act 55

Clean Air Act Air Pollution Climate Change Regulations 55

ESA

JUNE 14, 2021

The Biden administration laid out its timeline for rolling back major Trump environmental rules, but acknowledged that the process of enacting more protective regulations on climate and air pollution and drinking water will take years — if they can estimate the timeline at all. 1816 & H.R.

2021 98

2021 Endangered Species Act Ocean Climate Change 98