Even before the catastrophic leak was discovered in Oct. 2015, Southern
California Gas Co.'s Aliso Canyon facility was one of the industry's
largest polluters. See how it compares to the other 50 reservoirs required
to report to the EPA.
Note: Emissions are combined as a CO2 equivalent. Methane adjusted
at 84 times the potency of carbon dioxide over 20 years.
Sources: U.S. EPA Greenhouse Gas Reporting Program; U.S. EIA Natural
Gas Annual Respondent Query System
Map by Mike Reicher / Los Angeles News Group