Why fall season should actually begin on September 1

The calendar says autumn begins on Sept. 22, but 'climatological' or 'meteorological' fall starts 3 weeks earlier.

City of Dallas to spend another $1.5 million to remove 'Shingle Mountain'

The city of Dallas began the process to remove 40,000 cubic yards of contaminated soil at the site in Southern Dallas formerly known as "Shingle Mountain."

EPA warns of chemicals in creek following Garland Sherwin-Williams plant fire

The Environmental Protection Agency is warning people not to fish in Duck Creek or the East Fork Trinity River because of possible contamination.

Dallas begins repairs on water pipe that's been leaking millions of gallons

Millions of gallons of water meant for Dallas Water Utilities customers for drinking, bathing, and cooking ended up wasted, essentially becoming a swamp. The city said it's due to a leak that had been ongoing since at least October.

North Texas water suppliers battling to meet demand during triple-digit heat

Summers like this one remind us just how precious water is. But providers in North Texas are battling not just high heat but a lot of people moving here.

July on track to be Earth's hottest month on record

Another month of record-breaking heat has brought the world into uncharted territory, scientists say.

Watch: Freaky slime mold pulsates as spores spread in Alaska national park

Slime molds are a collection of single-celled organisms that move together in search of nutrients. They eat bacteria and appear on dead and decaying logs in Glacier Bay's Alaskan rainforest ecosystem during the summer.

UT Arlington building parking lots with plastic roads

The material is expected to prolong the life of the lot from about 10 years to 20 years, while also reducing maintenance and keep plastics out of landfills.

Yellowstone River bridge collapses, freight train falls into waters below

Numerous tank cars were partially submerged in the river early Saturday, with an Associated Press reporter witnessing a yellow liquid pouring out of tank cars.

City of Colleyville denies housing development plan on 14 acres of trees

The city of Colleyville denied a developer's request to build a housing development on 14 acres of Cross Timbers Forest. The decision came after the mayor and city council received hundreds of letters in opposition to the plan.

Gasoline fumes from sewer force Plano businesses to evacuate

The Environmental Protection Agency is assisting state and local authorities to locate the source of a gas leak hours after it was initially reported Friday afternoon.

Air quality alerts issued as Canadian wildfire smoke smothers parts of northern US

About 150 wildfires are burning across western Canada, pouring wildfire smoke that is being carried south into parts of the northern U.S. by the upper-level winds.