How much hunger will the world be able to absorb before we have not just failing nations, but a failing global civilization? (earth-policy.org)
Given the enormous environmental and social challenges faced by our early twenty - first century global civilization, one of the questions I hear most frequently is, What can I do? (treehugger.com)
«Population Bomb» author & Stanford University biologist Paul Ehrlich on his Royal Society Paper «Can a collapse of global civilization be avoided?» (ecoshock.org)