An AirNow forecast for Saturday anticipates air quality that is considered unhealthy for sensitive groups in some Texas cities.

The ruling essentially clears the way for Dripping Springs to put its long-litigated wastewater issue to rest.

Cities in California, Texas and Arizona are expecting air quality to become unhealthy for sensitive groups on Thursday.

Officials are urging Texans to cut emissions as weather conditions are expected to enable a spike in ozone pollution.

A proposed development southwest of Austin faces opposition from environmentalists. Developers wants to build white rocks ...