2017 Ground-Level Ozone Regulations 
Union of Concerned Scientists
SEPTEMBER 26, 2024
Between 2017 and 2023 there were over 1500 injuries and seven deaths in 153 refineries across the US. One good example of the nexus between global warming and local pollution is ground-level ozone. A study of the causes of the explosion suggested the need for stronger safety regulations.
Legal Planet
AUGUST 24, 2023
NOx plays a role in forming ground level ozone and final particulates (PM2.5), both of which are human health hazards. For the first 20 years of federal regulation, Congress set the NOx standards for new cars itself. Tier 3 standards were phased in starting with 2017 cars. gpm NOx standard.
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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?
Columbia Climate Law
DECEMBER 2, 2019
On Friday, November 22, the Sabin Center submitted comments opposing an Environmental Protection Agency (“EPA”) proposal to rescind regulations limiting methane emissions from new oil and natural gas facilities (the “Methane New Source Performance Standards” or “Methane NSPS”). By Romany Webb.
Union of Concerned Scientists
MARCH 29, 2023
In 2017, Hurricane Harvey —one of the worst—drenched Houston with more than 4 feet of rain, killed at least 88 people, and caused $125 billion in damage. EPA decision , upheld the EPA’s authority to regulate such emissions under the Clean Air Act but significantly constrained its ability to do so. How has Paxton responded?
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