PA Environment Daily

FEBRUARY 14, 2025

The Department of Environmental Protection published notice in the February 15 PA Bulletin inviting comments on an analysis designating an Exceptional Event under the federal Clean Air Act related to Canadian wildfires in June and July 2023 and their impact on air quality in Pennsylvania.

Nitrogen Oxides 53

Nitrogen Oxides 2023 Clean Air Act Ozone 53

Clean Energy Law

NOVEMBER 25, 2019

One of the most significant air quality challenges in the Basin is reducing emissions of the ozone precursor nitrogen oxides (NO x ) to meet the ozone standard attainment deadlines. According to the 2016 AQMP, mobile sources contributed about 88% of total NO x emissions in the Basin in 2012. Endnotes. [1] 20, 2019). [6]

Ozone 130

Ozone 2020 Regulations 2019 130

Union of Concerned Scientists

DECEMBER 12, 2023

The Cuyahoga fire, along with a major oil spill off the coast of Santa Barbara that same year, galvanized national attention and led to the first Earth Day, a slew of new air and water protection laws, and the creation of new federal departments to administer them, including the Environmental Protection Agency (EPA).

Clean Water Act 302

Clean Water Act Carbon Dioxide Clean Air Act Climate Change 302

Vermont Law

APRIL 8, 2022

Juris Doctor Candidate (VLGS '23) and Staff Editor for the Vermont Journal of Environmental Law April 8, 2022 The Environmental Protection Agency (EPA) establishes air quality standards under the Clean Air Act. (1) 27) The human body’s respiratory system is also harmed by Nitrogen oxide exposure. (28)

Carbon Dioxide 52

Carbon Dioxide Nitrogen Oxides Natural Gas Clean Air Act 52

Union of Concerned Scientists

MAY 17, 2023

If you’ve ever been outside in an urban environment on a hot sunny day and wondered why the air just seemed worse in your lungs—think sore and scratchy throat or difficulty breathing while doing exercise—you have likely experienced some of the health effects associated with ozone pollution.

Ozone 202

Ozone Ground-Level Ozone Air Pollution Clean Air Act 202

Union of Concerned Scientists

JANUARY 21, 2025

California is allowed to set standards stronger than the federal government under the 1970 Clean Air Act provisions in recognition that CA, and many other states which have adopted CA standards , serve an important role as laboratories of innovation controlling air pollution in novel ways. In the U.S.,

Nitrogen Oxides 181

Nitrogen Oxides Air Pollution Electricity Clean Air Act 181