They found bacteria had eliminated more than 120,000 metric tons of methane, essentially returning the concentrations in the area to normal. (discovermagazine.com)
Some scientists believe that microbes under the ice may have produced billions of tons of methane — a potent greenhouse gas that could escape as the ice retreats, causing warming to accelerate. (discovermagazine.com)
The California Air Resources Board's final estimate determined that SoCalGas released between 90,350 to 109,000 metric tons of methane into the atmosphere. (transportation.gov)