Republican-run states contend in a lawsuit that the agency's deadlines for the plans are arbitrary and capricious.

California has decided to abandon its phase out of diesel trucks and requiring cleaner locomotives because of the incoming ...

The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

Health effects of environmental pollution on low-income communities is well-known, but cumulative impacts are complex, which ...

President-elect Donald Trump has promised to reverse dozens of President Joe Biden’s environmental rules and policies. But ...

This isn't the only connection between air pollution and health issues. New research reveals little-known danger lurking in ...

Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot. But Texas environmental regulators are proposing that only four of them be ...

According to DOJ, HF Sinclair has agreed to address its failure to comply with regulations over refinery equipment and operations, including flaring, fenceline monitoring of benzene emissions, ...

While Chevron’s new petrochemical furnace will lower its intensity of carbon emissions, it will also increase other harmful ...

This week, two more federal grants were doled out to Boston under the climate-conscious federal administration.

Vehicles that run on gas emit greenhouse gases that warm the planet, resulting in drought and other consequences of climate change ...