2017 Clean Air Act Ozone 
Union of Concerned Scientists
JULY 9, 2024
When our family participated in the Science March at the Minnesota Capitol in 2017, one of our signs said, “What do we want – Science Based Policy! Hydrofluorocarbons (HFCs) were developed to replace a type of chemical that impacted the ozone layer in our upper atmosphere, but these replacements are potent greenhouse gases.
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. Comments are due March 17.
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Law Columbia
JULY 6, 2017
Circuit also rejected EPA’s argument that the court did not have authority to review stays issued under Section 307(d)(7)(D) of the Clean Air Act. Six environmental groups launched the proceeding challenging the stay after EPA published notice of the stay in the June 5, 2017 issue of the Federal Register. Pruitt , No.
Clean Energy Law
NOVEMBER 25, 2019
The South Coast Air Basin includes portions of Los Angeles, Riverside, and San Bernardino counties and all of Orange County, covering 6,745 square miles. The SCAQMD is the local agency responsible for attaining these clean air standards in the Basin. Endnotes. [1] 5] See [link] (last visited Nov. 20, 2019). [6] 6] See 42 U.S.C.
Legal Planet
AUGUST 24, 2023
At the high temperatures in internal combustion engines, some of the nitrogen in the air actually burns, resulting in the formation NO or NO 2 , which are collectively called NOx. NOx plays a role in forming ground level ozone and final particulates (PM2.5), both of which are human health hazards. grams per mile (gpm) for NOx.
Environmental Science
SEPTEMBER 14, 2018
President John F Kennedy introduced the Clean Air Act in the US as one of many introduced in developed nations with heavy industry (15). Rachel Carson's Silent Spring highlighted many of the ecological problems that industrial and commercial activity was doing to our world.
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).
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