"The Trump administration on Wednesday announced it is opening an investigation into the California Environmental Protection Agency, including the powerful California Air Resources Board, over potentially discriminatory employment practices."

"Large methane leaks at oil and gas facilities across the United States not only unleash massive plumes of the potent greenhouse gas, but are also carry a toxic mix of air pollutants that jeopardize the health of communities nearby, according to new research."

"This deadly bacteria, which hits low-income people the hardest, was once an “only in New York” problem. Extreme heat is now increasing its prevalence."

"Air pollutants from U.S. oil and gas operations are causing 91,000 premature deaths and hundreds of thousands of health issues each year — with racial and ethnic minority populations bearing the biggest burden, a new study has found."

"Public health advocates urged the Trump administration to protect residents and workers by sticking to a Biden-era timeline for reducing benzene and chromium emissions at the perimeter of steel and coke plants in Pennsylvania and other states rather than continuing to delay compliance rules."

"The Federal Trade Commission (FTC) has declared that an emissions agreement between California and four major truck makers is “unenforceable” — paving the way for noncompliance with the Golden State’s pollution rules, which are stricter than federal standards."

"The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others announced Thursday that it is stepping up air quality monitoring in the area of the sprawling facility that has a troubled environmental record."

"The National Weather Service announced air quality alerts in 10 states Tuesday as smoke from the Canadian wildfires continues to spread across the U.S. border."

"Documents supporting the EPA’s plan to roll back vehicle emission standards reference California by name nearly 30 times. For more than 50 years, California has had special authority from the EPA to set strict tailpipe emission standards. The agency’s own analysis indicates that without California’s leadership and tax credits created under President Biden, national adoption of electric vehicles will decline and gasoline prices will increase."