When physicist Terry McKinley returns to his annual fishing competition in Wales, he finds the river polluted and the fish all dead. His decision to investigate what has happened leads to a terrifying discovery that takes him across the globe in a desperate search for a solution.
As time runs out, so do his options. When the worst happens, the question becomes: how far would he go to save the world?
Packed with deception, intrigue, murder and disaster, NH3 is a fast-paced environmental thriller depicting a terrifying doomsday scenario never before seen on the written page.