Fracking generally uses a mixture of water, chemicals and sand to crack rock formations deep underground and release trapped oil and gas. Opponents fear it can cause air and water pollution and health problems.
National/International Headline List General Wire, San Antonio Express-News: World
Sun, 11/23/2014 - 8:57am
Fracking generally uses a mixture of water, chemicals and sand to crack rock formations deep underground and release trapped oil and gas. Opponents fear it can cause air and water pollution and health problems.