In western Africa, for example, thousands of the poorest farmers on earth are capturing scarce rainfall and rejuvenating soil fertility by growing trees amid their fields of millet and sorghum. Despite enduring some of the hottest, driest weather on earth, these farmers have returned greenery to 12.5 million acres of land—enough to see from outer space, courtesy of satellite imagery from the U.S. Geological Survey. More important, underground water tables have been replenished, and crop yields have doubled and tripled…
Source: How to Feed the World After Climate Change | In The Tank.