When Sharon Wilson arrives on site at an oil and gas facility in Texas, it’s the smell that often greets her first. An odor similar to rotten eggs or a mechanic shop can come from toxic pollutants emitted during fossil fuel production, like hydrogen sulfide and benzene. But Wilson is also there to capture an invisible, odorless pollutant: methane, a potent greenhouse gas that can only be seen…

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This post was originally published on Latest – Truthout.