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In a Blow to Public Health, EPA Delays Strengthening Ozone Standards

Union of Concerned Scientists

Despite clear recommendations from its own science advisors, the US Environmental Protection Agency (EPA) announced over the summer that it will delay its scheduled process to consider strengthening public health standards for ground-level ozone pollution. The stakes over ground-level ozone standard are high.

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The State of the Air in 2024? Not Great

Union of Concerned Scientists

Since its inception, the report has effectively heightened the awareness of some hazardous air pollutants, and engaged the public, media, advocates, and policymakers in the ongoing fight against air pollution. The air quality for this report was calculated using data reviewed by EPA from 2020, 2021, and 2022.

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Inside Climate News: Gov. Shapiro Provides Fresh Support To Key Changes Recommended In 2020 Grand Jury Report To Tighten Regulation Of The Natural Gas Drilling Industry To Better Protect Public Health, Environment

PA Environment Daily

Shapiro’s office supporting “key recommendations” in a 2020 Grand Jury Report that concluded DEP’s oil and gas regulatory program failed to protect public health and the environment. On April 26 Inside Climate News published a comprehensive article by Stacey Burling on issues surrounding the disposal of 2.6 Read more here.

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COP28 Global Methane Pledge Efforts Still Not Enough

Union of Concerned Scientists

The pledge is a voluntary agreement to reduce global methane emissions by 30 percent below 2020 levels by 2030; however, methane levels keep going up and we are woefully off track for meeting this goal. Compared to carbon dioxide (CO2), methane doesn’t linger for long in the atmosphere after being emitted.

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What is Ethylene Oxide? Answers to Your Questions about the Cancer-Causing Chemical

Union of Concerned Scientists

The US Environmental Protection Agency (EPA), the National Toxicology Program, and the International Association of Research on Cancer classify EtO as a substance that can cause certain cancers. This group pressed the EPA to support the adoption of a far less protective standard based on the TCEQ’s analysis.

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

Union of Concerned Scientists

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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Back in Black: Creating positive changes by focusing on a short-lived pollutant

HumanNature

Guest Post By Erin Boedicker , 2020-2021 Sustainability Leadership Fellow and Ph.D. When fuels are burned to create energy in a process called combustion, black carbon along with carbon monoxide and other compounds are created because there is not enough oxygen in the atmosphere for the reaction to go to completion.