This report published by UNEP and IWMI said that if humans do not improve agricultural technology and make better use of ecosystems amid growing population and increasingly serious water shortages, they will face severe water, food and environmental problems in the future.
The report, An ecosystem services approach to water and food security, was published during World Water Week
Read the story on BBC News Chinese:
United Nations: Humans should protect the environment and water sources (original in Chinese) (PDF copy)
United Nations: Humans should protect the environment and water sources (English translation)