Climate News Network: Although growing human numbers, climate change and other crises threaten the worlds ability to feed itself, researchers believe that if we used water more sensibly that would go a long way towards closing the global food gap.
Politicians and experts have simply underestimated what better water use can do to save millions of people from starvation, they say.
For the first time, scientists have assessed the global potential for growing more food with the same amount of water. They found that...