Key Facts
• On July 1, 2025, Tokyo launched its summer decarbonization campaign, “HTT”.
• “HTT” stands for “H: Reduce, T: Create, T: Store” energy.
• The campaign featured a projection mapping event at Tokyo Metropolitan Government Plaza.
• Reika Horikoshi and Chocolate Planet formed the “HTT Siblings” for the campaign.
• Governor Yuriko Koike joined the event to promote energy-saving actions.
• A planned discussion segment was canceled due to rain.
• The event showcased a TV commercial projected onto the Tokyo Government Building.
• The commercial highlighted actions like cleaning air conditioner filters (H), installing solar panels (T), and using storage batteries (T).
• The campaign aims to encourage households to adopt energy-efficient technologies.
• Governor Koike emphasized reducing energy use and utilizing new technologies for a decarbonized society.
Summary
Tokyo’s “HTT” campaign, launched on July 1, 2025, promotes decarbonization through energy reduction, creation, and storage. The “HTT Siblings,” formed by Reika Horikoshi and Chocolate Planet, collaborated with Governor Yuriko Koike to raise awareness. Despite rain canceling a discussion segment, the event successfully showcased a projection mapping of a TV commercial on the Tokyo Government Building. The commercial demonstrated practical energy-saving actions, such as cleaning air conditioner filters and installing solar panels. Governor Koike urged citizens to adopt energy-efficient practices and technologies to support a sustainable future.
