Biologists and naturalists fear a steady flow of treated sewage will spell disaster for one of the last untouched Hill Country spring-fed streams.
Zebra mussels have appeared just north of San Antonio in Canyon Lake, the furthest south the invasive invertebrates have been found.
Hixon was instrumental in preserving Government Canyon State Natural Area. He passed away on July 18 at age 81.
Ride the murky, green-tinted water along the snaking 6 1/2-mile path, shaded by willows and cedar elms.
The Rivard Report offers suggestions for hiking, biking, and paddling in the San Antonio area this Memorial Day weekend.
Vireo numbers have grown, thanks to work by the states, the U.S. Army, Mexico, private landowners, and environmental groups, federal officials said.
A fungal disease that has devastated bat populations across the eastern half of the United States has spread as far south as Kendall County.
The birds at Brackenridge Park have many supporters, some of whom were upset to see City crews trimming trees and removing nests in recent weeks.
A lawsuit over an endangered songbird that pits the state of Texas against the U.S. Department of the Interior will continue, according to a federal court ruling.
Thousands of curious spectators gathered Tuesday evening on the Camden Street Bridge and along the Museum Reach to catch a glimpse of bats in flight.