An ‘invisible tsunami’ of methane gas has been pouring out from a broken well in Los Angeles, causing thousands to become ill as people’s lives and business’ have been turned upside down for over three months, as residents wait for the gas company to take action once and for all. Huffingtonpost.com reports: The rotten-smelling air in and around the Porter Ranch community will begin to clear when the well is permanently sealed. And Southern California Gas Company, which operates the Aliso Canyon gas storage facility where the leak originated, says it expects to have the leak stopped this month. But the effect that the natural gas’s main component — methane — has had on the atmosphere doesn’t simply vanish when the well ceases operation. The well has released more than 91,000 metric tons of methane gas into the air, according to Environmental Defense Fund, but the exact toll it has taken on the environment isn’t immediately clear. In part, that’s because the gas can only be seen with a special infrared camera, making this an invisible catastrophe in California — there are no oil slicks in the clouds above Los Angeles, no wildlife covered in crude. But make no mistake: [...]