Geoffrey Ozin: The three colours of hydrogen

July 13, 2020 by Mireille Ghoussoub

Everybody knows that H2, the archetype diatomic molecule, is a colourless gas. In the field of renewable energy however, hydrogen gas is now considered as either “grey”, “blue”, or “green”. As Professor Geoffrey Ozin writes in Advanced Science News, this colour code descriptor has arisen in order to differentiate hydrogen according to its source, in particular to distinguish hydrogen derived from fossil sources from that derived from renewable energy. Today, exciting steps are being made towards realizing this vision of a hydrogen-powered zero emission infrastructure.

See full article in Advanced Science News