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Dear Maryland: It’s Time to Drive Clean Trucks and Buses

Union of Concerned Scientists

Much of this air pollution comes from diesel trucks rumbling along the state’s many highway corridors, in particular I-95 which connects many major cities along the East Coast. This all makes Maryland one of the deadliest states for diesel particulate pollution. This feasible and commonsense regulation would result in 46.45

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Changes to California’s Electric Truck Proposal Could Reap Huge Climate and Air Quality Gains

Union of Concerned Scientists

The Advanced Clean Fleets (ACF) rule has the potential to significantly reduce climate-warming greenhouse gas (GHG) emissions as well as harmful air pollutants like fine particulates (PM2.5) and nitrogen oxides (NOx) from the numerous commercial and government fleets of MHD vehicles in the state.

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Study: Industry Data Shows Hazardous Air Pollutants Are ‘Ubiquitous’ In The Natural Gas Transmission System; More Justification For Robust Leak Prevention Programs

PA Environment Daily

The study-- Hazardous Air Pollutants In Transmission Pipeline Natural Gas: An Analytic Assessment -- was accepted for publication in Environmental Research Letters journal September 16. blowdowns and blowouts), which we now know not only contains methane, but also Hazardous Air Pollutants and other chemicals.

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State Air Regulations Can Go Above and Beyond National Standards 

Legal Planet

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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Ask a Scientist: Fighting Big Ag Pollution with Maps and Math

Union of Concerned Scientists

You got involved in a “waters of the United States” (WOTUS) case against the Trump administration EPA in 2020 that predated the Supreme Court ruling. SW: In 2020, the Trump administration narrowed the scope of the Clean Water Act by stripping protections from streams and wetlands. But Big Ag pollutes more than water.

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Ontario LOVES Gas! But That’s Bad for our Climate and Communities

Enviromental Defense

Late in 2021, the Independent Electricity Systems Operator (IESO), Ontario’s electricity grid management agency, released its latest projections: In 2021, Ontario’s electricity sector, aka the grid, generated less than 4 megatonnes (MT) of greenhouse gases (GHGs).

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Do We Dare Continue to Flare?

Vermont Law

8) Conversely, under President Biden, the EPA has advanced the new Clean Air Act rule to significantly and environmentally reduce methane emissions and other health-harming air pollutants that put nearby communities at risk. (9) 11) Global warming, in part, is a result of greenhouse gas emissions into the atmosphere.