Union of Concerned Scientists

OCTOBER 26, 2022

When Congress passed the Clean Air Act in 1970, they determined that six so-called “ criteria air pollutants ”—particulate matter, ground-level ozone, carbon monoxide, lead, sulfur dioxide, and nitrogen dioxide—were so dangerous they required a rigorous and regularly updated process of assessment and policymaking.

Air Pollution 218

Air Pollution Ozone Ground-Level Ozone Clean Air Act 218

PA Environment Daily

JANUARY 21, 2022

The AFIG Program funds projects that replace older gasoline- or diesel-fueled vehicles with cleaner fuel vehicles that helps reduce emissions of carbon monoxide, particulate matter, volatile organic compounds, nitrogen oxides, and carbon dioxide, a principal greenhouse gas.

Nitrogen Oxides 52

Nitrogen Oxides Greenhouse Ground-Level Ozone Carbon Dioxide 52

ESA

APRIL 5, 2021

Senate Majority Leader Chuck Schumer (D-NY) and other Senate Democrats are most likely preparing to reintroduce the Endless Frontiers Act as part of a larger legislation package ( see ESA Policy News, March 22, 2021 ). 151 ) in the House of Representatives in February 2021. The White House created the council under Biden’s Jan.

2021 74

2021 Technology Technology Conservation 74

Environmental Progress

SEPTEMBER 12, 2020

Governments and farmers have known what “biosecurity” measures to take for decades, and enacted them, partly, in response to the 2005 avian flu (H5N1) epidemic. Between 1980 and 2018, US carbon monoxide levels decreased by 83 percent, lead by 99 percent, nitrogen dioxide by 61 percent, ozone by 31 percent, and sulfur dioxide by 91 percent.

2020 96

2020 Air Pollution Climate Change Natural Gas 96