February 1st is "Tokyo Hydrogen Day"

February 1st is Tokyo Hydrogen Day, named after the molecular weight of hydrogen, 2.01.
In order to realize a low-carbon society as a countermeasure against global warming, the city participates in the "Tokyo Suiso Promotion Team," which includes over 100 organizations from industry, academia, and government, and sponsors the Hydrogen Energy Visualization Executive Committee. We are trying to promote this.

The city is considering inviting hydrogen stations to promote a hydrogen society.