Fires and agricultural soils can rival cars and factories in emitting chemicals that lead to ozone, making it hard to meet air quality standards.

Norman residents on city water can expect better-tasting tap water this spring despite seasonal lake churning that typically causes muddy flavors, according to city officials. Chris Mattingly, ...

Tyler Water Utilities is working to restore an ozone generator at Lake Palestine Water Treatment Plant which went out due to ...

The Phoenix area's long-standing ozone pollution issues could have serious impacts on local economic competitiveness and public health.

The EPA is considering delaying a decision that would classify metro Phoenix's ozone problem as "serious" and potentially bring serious economic consequences. Local officials say they are working ...