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Renewable Energy - Our Planet Vol. 16 No. 4, 2006
(UNEP, 2006)
Freshwater - Our Planet Vol. 14 No. 1 2003
(UNEP, 2003)
Our Planet: seas, oceans and small islands
(UNEP, 2004)
GEO Year Book 2007
(UNEP, 2007)