Nobel prize winner Wangari Maathai (C), who is also Kenya's Assistant Minister for Environment, Japanese Ambassador to Kenya Satori Miyamuri (L) and Chairman of Environmental Foundation Takuya Okada plant a tree during a ceremony to plant trees in Sabatia forest, in Eldama Ravine, November 23, 2006. Some 3,000 seedlings were planted by 150 volunteers from Japan, in a tree planting event as part of the one billion tree planting campaign in support of the Green Belt Movement lead by Wangari Maathai.