Rising Levels of Toxic Gas Found in Homes Near Fracking Sites

Levels of radon, a cancer-causing, radioactive gas, have been rising measurably in Pennsylvania since the controversial practice of fracking started there, researchers reported Thursday.

The study cannot directly link fracking with the raised radon levels. But whatever is going on, residents need to be aware of the rising levels of the gas and take action to get it out of their homes, the researchers say.

Radon is the second-leading cause of lung cancer in the U.S., killing an estimated 21,000 people a year. The odorless, invisible gas is produced naturally from many types of rocks, and many people who have bought…

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