By Joanna D. Underwood
The leaking storage facility at Porter Ranch released about 90,000 tons of natural gas into the air, sickening residents, forcing evacuations and prompting a state of emergency. Since natural gas is composed mostly of methane, a greenhouse gas at least 25 times more potent than carbon dioxide, the Porter Ranch leak singlehandedly increased California’s total CO2-equivalent emissions by 25 percent.
SoCal Gas finally has succeeded in stopping the leak with a temporary cap, and expects to have a permanent cap in place in the next few days. But we still have bigger and more persistent methane leakage problems than Porter Ranch to solve. Read the full story
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