Huge amounts of methane, an extremely potent greenhouse gas, are leaking from wells and other manmade and natural sources around the globe.

nationalgeographic.com…methane-aliso-canyon-leak-noaa-flaring-map/

Huge California methane leak video:
For more than two months now, a ruptured storage well has poured thousands of tons of gas into the Porter Ranch section of Los Angeles. https://www.youtube.com/watch?v=Rnbcsm0VzQM