Trends in productivity 1981-2003 (greening and land degradation)
Year: 2009
From collection: The Environmental Food Crisis - The Environment's Role in Averting Future Food Crises
Cartographer: Hugo Ahlenius, UNEP/GRID-Arendal
Year: 2009
From collection: The Environmental Food Crisis - The Environment's Role in Averting Future Food Crises
Cartographer: Hugo Ahlenius, UNEP/GRID-Arendal