Don Wall has been a professional journalist for 27 years, specializing in environmental reporting and general assignments. Wall began his career in 1978 as a researcher and writer for Roger Caras, the ABC News "Special Correspondent for Pets, Wildlife and the Environment," the first network "environmental reporter." Caras, at the time, had a daily CBS radio show called, "Pets and Wildlife," which later became ABC radio's "The Living World." Over a period of five years, Wall wrote half the shows.

In 1980, Wall became an ABC News Producer, contributing to World News Tonight, Nightline, Good Morning America, and 20/20.

Wall worked with ABC News for 11 years, six in New York, five in the Dallas Bureau. With Caras, he covered monarch butterflies in Mexico (which won national Emmys for photography and editing), giant pandas in China, rhinos and deforestation in Africa, vanishing tribes and Asian Elephants in Sri Lanka. Wall also covered the 1988 Presidential campaign, the murder of John Lennon, and the Mexico City Earthquake, for which Wall received one of two national Emmy nominations.

Wall has written freelance articles about science and the environment for publications, including The New York Times, Omni, Geo, Yankee, Science Digest, the Fort Worth Star Telegram, and The Dallas Morning News.

In 1989, Wall joined WFAA-TV, the ABC affiliate in Dallas/Fort Worth, as Fort Worth Bureau Chief, senior reporter, his first "on air" job. Three years later, he created Channel 8's "environmental beat."

In 16 years at WFAA, Wall has won an Emmy, six Dallas Press Club Katie Awards, three AP first places, two UPI first places, the (Texas) Governor's Award for Environmental Excellence, and a national Edward R. Murrow Award for coverage of wildfires in Colorado in 2002.