Colors of Hydrogen: The Good, the Bad, and the Ugly (i.e. green, gray, and blue)

Hydrogen, the most abundant element in the universe, as well as a source of great energy, can be used to produce electricity, power fuel cells, for heat, cooking fuel, and transportation. No wonder we’ll all be hearing a lot more about this energy source in the coming years.

But there’s a problem: the vast majority of the world’s manufactured hydrogen today comes from fracked methane gas (aka “natural gas”).