Watersheds of the World - Population Density People per Square Kilometer 0.22.49 Map Projection: Robinson Citation: Revenga, C, s. Murray, I Abramovitz, and A Hammond, 1998. Watersheds of the Wor Ecological value and Vulnerabilty. Washington, DC: World Resources Institute. e EarthTrends 2002 World Resources nstitute. Al rightWatersheds of the World - Population Density Map Projection: Robinson Citation: Revenga, C., S. Murray, J. Abramovitz, and A. Hammond, 1998. Watersheds of the World: Ecological Value and Vulnerability. Washington, DC: World Resources Institute. © EarthTrends 2002 World Resources Institute. All rights reserved. Fair use is permitted on a limited scale and for educational purposes