More than 3.5 million abandoned oil and gas wells are littered across the United States and an estimated 14 million Americans ...

The Chesapeake Fire Department is urging the public to avoid Stonebridge Plaza Shopping Center in Chesapeake due to a gas leak.

The gas leak does not pose any danger to students or staff at any school, according to an alert sent to families.

PHOTO: This illustration shows the locations where ABC News found leaking abandoned oil and gas wells ... per million of methane is “immediately dangerous to life and health.” ...

Those that leak are known in ... of methane is “immediately dangerous to life and health.” CalGem, the state agency responsible for regulating the oil and gas industry in California, wrote ...

More than 3.5 million abandoned oil and gas wells are littered across the United States and an estimated 14 million Americans live within a mile of one of the wells. Those that leak are known in West ...

Those that leak are known in West Texas as ... parts per million of methane is “immediately dangerous to life and health.” CalGem, the state agency responsible for regulating the oil and gas industry ...