human footprint map
As a follow-up to my earlier Human Footprint post, here's an illustrative world map. The resolution is poor, but the Netherlands look reddish if not purple...

The Human Footprint is a quantative analysis of human influence on the Earth's surface. In this map, human impact is rated on a scale from 0 (minimum) to 100 (maximum) for each terrestrial biome. The color green indicates areas of minimal impact while purple indicates areas of major impact.
Source: 'One Planet, Many People: Atlas of Our Changing Environment', produced by the United Nations Environment Programme -- a wealth of maps and satellite images, available online in its entirety!