Solar farms, green energy "microgrids" and the experimental production of nonpolluting hydrogen was driven by a "strong desire to never see a repeat of such an accident."
For Etienne Balmer's latest contributions to The Japan Times, see below:
Despite Japan's claims of high recycling rates and clean waterways, microplastics are being netted and analyzed off the country's coast.
Japan is far from the only place with autonomous vehicles on the roads, but its government has set acceleration of the technology as a key priority.
The exhibition allows digital art fans to purchase non-fungible tokens of works from dozens of artists, using cryptocurrency to buy them.
Around 60 firms in Japan ploughed a record ¥361 billion ($3.3 billion) into the event, which was postponed for a year due to the pandemic.