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.
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.
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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.
Environment, Law, and History
DECEMBER 31, 2020
But the Clean Air Act has nonetheless had a major impact. Here’s what EPA has to say on the subject — and remember, this is from the Trump EPA, which is no fan of regulation: Experience with the Clean Air Act since 1970 has shown that protecting public health and building the economy can go hand in hand.
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).
Union of Concerned Scientists
MAY 17, 2023
Earlier this month, the Environmental Protection Agency’s (EPA) Clean Air Scientific Advisory Committee (CASAC) released a draft set of recommendations calling on the EPA to tighten its current standard for ground-level ozone pollution to protect public health. But will the EPA follow CASAC’s recommendations?
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