| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://22nd-century.jp/environment-issues/petbottle-recycle-company/ | 20% | Monthly | 2019-05-21 23:24 |
| https://22nd-century.jp/environment-issues/sango-bleaching/ | 20% | Monthly | 2020-02-22 14:09 |
| https://22nd-century.jp/environment-issues/japan-3type-recycling/ | 20% | Monthly | 2021-09-04 06:12 |
| https://22nd-century.jp/environment-issues/global-warming-metan-gass/ | 20% | Monthly | 2019-11-18 10:31 |
| https://22nd-century.jp/environment-issues/shopping-bag-abolition-charged/ | 20% | Monthly | 2020-01-05 07:45 |