Something that the all-organic, eat local folks might do well to remember: while a nice idea for the rich among us, this is not a plan for feeding the world.
Take agriculture. Ten thousand years ago it took an average of 3,000 acres to feed one hunter-gatherer; farmers today can feed one person using less than one-third of an acre. “Our innovation in farming technology has multiplied the value of a plot of land by nearly 10,000,” Naam notes. If crop yields per acre had remained stuck at 1960 levels, half the world’s remaining forests would have been plowed under by now.There is also an interesting, market-based plan for tackling climate change. And the reviewer discusses solutions to the tragedy of the commons regarding collapsing fisheries and depleted aquifers.