Japan and South Korea must recognize blue hydrogen is not clean
Even direct use of fossil fuels can involve lower greenhouse emissions
The world's first hydrogen carrier arrives from Japan at the Port of Hastings in Victoria, Australia, on Jan. 20: Hydrogen is not a new source of energy but a form of energy storage. (Handout photo from HySTRA)
Robert Howarth is Atkinson Professor of Ecology and Environmental Biology at Cornell University and co-author of the peer-reviewed research paper "How green is blue hydrogen?"
The global energy system is undergoing a major transformation. Fossil fuel prices are soaring, and extreme weather and war are causing massive blackouts and energy shortages.
Nikkei Asian Review, now known as Nikkei Asia, will be the voice of the Asian Century.
Celebrate our next chapterFind out more
Free access for everyone - Sep. 30