| Autor : | Secretaría General, Naciones Unidas |
| Fuente: | Secretaría General, Naciones Unidas |
| Fecha: | 2012-06-21 17:29:18 |
| Descripción: | Ahead of June s Rio+20 conference on Sustainable Development, Secretary-General Ban Ki-moon recorded a special message for social media fans and followers on the future he wants. |
