In a spectacular new study, researchers have used light and chlorine to eradicate low-concentration methane from air. The result gets us closer to being able to remove greenhouse gases from livestock ...

A look inside the Methane Eradication Photochemical System reactor, where chlorine atoms are formed by ultraviolet light and react with methane gas. (Photo by Morten Krogsbøll via Courthouse News).

Methane is the second biggest greenhouse gas contributor to climate change. It’s also 84 times more potent than culprit number one, carbon dioxide. Unsurprisingly, 60% of global emissions result from ...