Theneedtofeedagrowingpopulationisputtingmuchpressureont...
问题详情：Theneedtofeedagrowingpopulationisputtingmuchpressureontheworld'ssupplyofwater.With97%oftheworld'swatertoosaltytobedrunkorusedinagriculture,theworldwidesupplyofwaterneedscarefulmanagement,esp...