Lessons from Porter Ranch

Originally published in the San Diego Free Press on January 28th, 2016

The massive leak at the Southern California Gas Company (SoCalGas) Aliso Canyon natural gas storage facility is a stark example of why natural gas is a significant health and safety risk and not a bridge fuel to our clean energy future. The facility, the second largest in the U.S., stores vast amounts of natural gas at high pressure in underground wells once used for oil extraction more than fifty years ago.

On or about October 23rd a rupture in a 60-year old injection well pipe a thousand feet underground initiated the leak. At its peak the leak had an estimated rate of one-hundred twenty-five thousand pounds of methane per hour. To date, the cumulative emissions from this single source is equivalent to 25% of the state’s annual methane emissions from major sources like agriculture and landfills, equivalent to the annual climate pollution of almost half a million cars. [Read more…]