Asia urgently needs to improve water efficiency, report says.

• Author: Block, Ben
• Position: EYE ON EARTH

Asian countries urgently need to boost farmland productivity and improve irrigation efficiency or the continent may not have enough water to support its growing populations, a recent study found.

Dwindling groundwater supplies are already threatening drinking water and crop production across Asia. Meanwhile, undeveloped arable land is in short supply. As a result, Asian countries will have to import more food or improve irrigation methods, the United Nations Food and Agriculture Organization and...