methane

Natural gas prices are low, but your monthly gas bill is up. Here’s why

Gas utility bills are rising even though natural gas prices are down. That's because a much larger share of your gas bill now goes to infrastructure instead of fuel.

The U.S. has millions of old gas and oil wells. Here’s what it takes to plug them up

There was a circle in Maria Burns' yard where grass wouldn't grow and trees died. She knew what it was: An old natural gas well, plugged when she was a little girl, starting to leak again.

A ‘gassy’ Alabama coal mine was expanding under a home. After an explosion, two were left critically injured

Oak Grove Mine has a long history of safety violations. In 2006, federal officials evacuated its workers because of dangerous levels of methane, a flammable gas.