Cattaraugus County Health Department is encouraging residents and business owners to consider testing for radon — an ...

The map shows PFAS chemicals linked to cancer in rivers and drinking water sources; experts warn of persistent risks.

Colorado's northern Front Range ozone problem eased a bit in 2025 through the luck of volatile weather that blew out the toxic ground-level substance.

Decades after Ford stopped dumping paint sludge in Ringwood, residents show mercury levels twice the national average and ...