Clean Air Act Ozone Politics 
Union of Concerned Scientists
DECEMBER 1, 2022
California has a longstanding leadership role on transportation pollution, and the Clean Air Act grants the state the right to set strong vehicle emissions standards. We in Colorado have many days of problematic ozone. We need every tool we can apply to gain healthier air. Traffic is a major concern. Washington.
Legal Planet
AUGUST 22, 2023
States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.
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Union of Concerned Scientists
JULY 9, 2024
If governments bypass or undermine science and public comments in policy making, our health could be in jeopardy from increased pollution, cases of foodborne illnesses, politically-driven medicine approvals or disapprovals, and more. It was not a catchy slogan to write on a cardboard sign, but the message is important to all of our lives.
Union of Concerned Scientists
APRIL 20, 2023
Multiple lines of analysis make clear that regardless of how cheap wind and solar power get, without directly addressing pollution from coal and gas plants, the country’s clean energy transition will not happen fast enough. Section 111 of the Clean Air Act constrains how EPA sets standards—but gives states wide latitude in implementation.
Legal Planet
SEPTEMBER 30, 2021
But it’s not totally clear what he meant, because “climate change” was used at the time to refer to a range of issues including acid rain, damage to the ozone layer, local weather control efforts, and desertification. In one sentence of a 1975 article, John Barton referred to “climate change” as a potentially severe long-term problem.
Legal Planet
MARCH 6, 2023
But with the recent influx of government incentives for hydrogen production, new and improving production and storage technologies, and greater political will than ever before, H 2 ’s reputation is gaining favor. All this is not to say there is no place for hydrogen in a clean energy future.
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. The reason may have been the high political stakes in the car industry or the relatively easier task of setting standards for new products in a single industry using a single energy process. gpm NOx standard.
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