Scientists are turning to everything from drones to high-resolution satellites in the battle to keep methane inside the nation's natural gas infrastructure and out of the atmosphere.
That fleet of Google Street View cars you see roaming Pittsburgh isn't just collecting images for Google Maps. Some cars are actually helping detect natural gas leaks under the city's streets.
For all the attention carbon dioxide gets in the conversation about climate change, methane is up to 100 times more powerful a greenhouse gas. And the reason why has a lot to do with how it absorbs sunlight.
Usually, the discussion about climate-changing emissions centers on carbon dioxide. But the EPA is now giving methane leaks from the oil and gas industry more scrutiny.