Good practice
Evidence: Observational / pre–post
Top 40%
47/100
Compare
In Mashike, Hokkaido, Nippon Steel and the local fisheries cooperative turned steelmaking slag into a growth substrate for seaweed beds, generating Japan's …
Mashike, Japan
Good practice
Evidence: Descriptive / self-reported
Top 56%
47/100
Compare
Tokyo NPO Waffle runs Japan's Technovation Girls chapter, where teen girls build AI-powered apps; in 2025, 440+ students in 88 teams from …
Tokyo, Japan
Good practice
Evidence: Descriptive / self-reported
Top 40%
47/100
Compare
For over 120 years Tokyo's Bureau of Waterworks has owned and managed ~25,000 hectares of 'water conservation forest' along the upper Tama …
Tokyo, Japan
Good practice
Top 78%
41/100
Compare
Japan's 2022 amendment to the Act on Promotion of Women's Active Engagement requires employers with 301+ staff to publicly disclose gender wage-gap …
Tokyo, Japan
Good practice
Evidence: Descriptive / self-reported
Top 58%
40/100
Compare
Since 2001, Tokyo has legally required new and renovated buildings above set size thresholds to green 20-25% of their roof area; the …
Tokyo, Japan
Good practice
Evidence: Observational / pre–post
Top 58%
40/100
Compare
Japan's Ministry of the Environment declared the small Indian mongoose eradicated from Amami Oshima in 2024 after a 25-year, ¥3.57bn campaign; a …
Amami, Japan
Good practice
Evidence: Observational / pre–post
Top 83%
37/100
Compare
Japan's Labour Standards Act has guaranteed menstrual leave since 1947, one of the world's longest-running such laws — yet nationwide surveys report …
Tokyo, Japan
Good practice
Top 98%
33/100
Compare
Japan's 'Digital Nomad' visa lets high-earning remote workers stay up to six months; issuance rose from 257 in its first nine months …
Tokyo, Japan
Good practice
Evidence: Descriptive / self-reported
Top 81%
33/100
Compare
Saitama City adopted a game-theory matching algorithm, built with Fujitsu and Kyushu University, to allocate 7,959 children to 311 nursery places — …
Saitama, Japan
Good practice
Evidence: Descriptive / self-reported
Top 95%
20/100
Compare
On 7 April 2026 Japan's Cabinet approved full legal status for digital textbooks, equal to print, alongside a privacy-law amendment waiving individual …
Tokyo, Japan