| português | por-000 |
| Worldwatch Institute | |
| català | cat-000 | Worldwatch Institute |
| dansk | dan-000 | Worldwatch Institute |
| Deutsch | deu-000 | Worldwatch Institute |
| eesti | ekk-000 | Worldwatch Institute |
| English | eng-000 | Worldwatch Institute |
| français | fra-000 | Worldwatch |
| nynorsk | nno-000 | Worldwatch Institute |
| svenska | swe-000 | Worldwatch Institute |