Figure 2.

Cartograms showing the unequal distribution of (A) wealth, (B) human poverty indices, and (C) total births around the globe. The cartograms, or map projections, were obtained from URL: http://www.worldmapper.org webcite with permission (^© Copyright SASI Group, University of Sheffield; and Mark Newman, University of Michigan). They had been generated by a diffusion-based method [91] and were included in the Worldmapper project [92-94].