A recent news release from Lewis County highlighting a new "light pollution" policy drew hundreds of negative responses on ...

Experts mapped US fossil fuel emissions street by street, showing where pollution really comes from and why data matters for ...

Four of Michigan’s Democratic representatives joined with Republicans from New York, Pennsylvania and Virginia on Tuesday in ...

While the stricter ethylene oxide rules are technically still in effect, the Trump administration has exempted dozens of large chemical plants and sterilizer facilities from following them as the ...

While ringing in 2026, fine particle levels potentially left from exploding fireworks spiked in these locations.

Updated global data show wildfire smoke pollution is higher than past estimates, with implications for air quality and ...

The state plan made no updates “to significantly out-of-date controls” at those plants, with the resulting pollution blowing ...

The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...

Although most permits are sold at quarterly government auctions, a secondary market enables daily transactions similar to a ...

After years of investing millions to improve the municipal sewer system, the town is looking at the next round of upgrades at ...

If anyone knows where to find refuge from air pollution near Los Angeles freeways, it’s Suzanne Paulson. The UCLA atmospheric chemistry professor has spent years studying how invisible plumes of dirty ...