Passengers wait at platform for their trains arrival at Tokyu Railways' Shibuya Station Wednesday, April 20, 2022, in Tokyo. A Japanese railway company, Tokyu, says it now uses just solar and other renewable energy to power its sprawling train service. That means the emissions of carbon dioxide for its network of seven train lines and one tram service stand at zero starting April 1. (Photo by Eugene Hoshiko/AP Photo)
