Monbiot's argument is simple. There is no issue at all with Africa doubling its population to 2.6 billion (from 1.3) as long as they remain dirt poor. And since

Monbiot's argument is simple. There is no issue at all with Africa doubling its population to 2.6 billion (from 1.3) as long as they remain dirt poor. And since he presents as the beginning of the article the formula Impact = Population x Affluence x Technology his solution is of course to keep Africa's new billion in abject poverty while we proceed with decreasing both the affluence and the technology of the developed world.