Nick Grealy, shale-gas missionary

Shale gas has transformed the US energy industry. Nick Grealy thinks it is the golden ticket for the rest of the world, too. He explains why to Helen Robertson

NICK GREALY has been causing a stir. A former consultant who has spent two decades in the energy sector, he's on a one-man mission to persuade the world of the virtues of shale gas. He does it through a blog called No Hot Air. It's a platform for him, his views and his trumpeting of the unconventional-gas revolution that has swept the US and, believes Grealy, will soon do the same elsewhere – if only people, especially in the UK government, would wake up to reality. No Hot Air offers a digest of news, but it's the views that bring people back. Grealy and his blog don't take prisoners. His enemies range from ignorant journalists to Ofgem, the UK's energy-markets regulator. Styling himself th