Though water is the source of human life and civilization, Lester Brown says sometimes humans forget how important it is.
Brown, the founder and the president of the Earth Policy Institute, gave a lecture at the FedEx Global Education Center Tuesday. He reminded attendees that food comes from irrigation water and as it runs out, humans will face a huge challenge.
The growing population has led to a greater demand for grain, which pressed the demand for water. At the same time, the problem of over-pumping and decline of peak water has threatened the sustainability of water resources.
“Peak water in the sub-Arab region like Syria, Pakistan and Saudi Arabia has dropped, and to save underground water by 2016, Saudi Arabia will no longer produce grain,” he said.
Food prices have been rising since 2007 due to the decline in water supply, Brown said.