| English | eng-000 |
| Worldwatch Institute | |
| العربية | arb-000 | معهد الرصد العالمي |
| català | cat-000 | Worldwatch Institute |
| 普通话 | cmn-000 | 世界观察研究所 |
| dansk | dan-000 | Worldwatch Institute |
| Deutsch | deu-000 | Worldwatch Institute |
| eesti | ekk-000 | Worldwatch Institute |
| français | fra-000 | Worldwatch |
| français | fra-000 | Worldwatch Institute |
| nynorsk | nno-000 | Worldwatch Institute |
| português | por-000 | Worldwatch Institute |
| русский | rus-000 | Институт глобального мониторинга |
| español | spa-000 | Instituto de la Vigilancia Mundial |
| svenska | swe-000 | Worldwatch Institute |