Report on greenhouse gas emissions from Aliso Canyon leak

A re­port by Cali­for­nia air qual­ity of­fi­cials es­tim­ates the green­house gas emis­sions from a well leak dis­covered on Oct. 23, 2015 at South­ern Cali­for­nia Gas Com­pany’s Al­iso Canyon stor­age field in the Santa Susana Moun­tains north of Los Angeles.