In an interview with NHK, Kelly, the U.S. special envoy in charge of climate change, said, "Hydrogen can be one of the most important energy sources that the world will rely on" He also emphasized the need to accelerate research and development for practical use in cooperation with Japan and others.
The time to compete in global warming countermeasures is the next six to eight years, he said. "There is a possibility that each region can make a significant contribution to decarbonization," he added.