- Category : 1946-births
- Type : PSP
- Profile : 2/4 - Hermit / Opportunist
- Definition : Single
- Incarnation Cross : RAX Contagion 1
French politician, a member of Europe Écologie–The Greens. He was minister in the government of Lionel Jospin. On 6 December 2011, he was elected a member of the European Parliament.
He wrote "Apocalypse pétrole" which was published in 2005.