If hydrogen becomes widely available to fuel the world's transportation networks and power grids, it could genuinely reduce the carbon dioxide currently being pumped into the atmosphere.

Within the Canadian Shield, hydrogen gas is steadily building up naturally among some of the oldest rocks on Earth. Geochemists at the University of Toronto and the University of…

If hydrogen becomes widely available to fuel the world's transportation networks and power grids, it could genuinely reduce the carbon dioxide currently being pumped into the…