Clean water, healthy economy.
Par Nelly Sallibartan (Collège Germaine Tillion (91)) le 12 avril 2010, 19:36 - news - Lien permanent
The week of sustainable development is finished but we mustn't forget about it.
With the 5th Chasles, we're going to look at the problem of water.
Share our discoveries and reflections on this issue.
Listen to this podcast
You'll discover how they 've solved the problem in Yemen.
Then if you want to read it go there.