Surging populations and economies in the developing world will cause a double 'crunch' in demand for water and energy in the coming decades, the United Nations says in a report published on the eve of World Water Day. Duration: 01:22
Surging populations and economies in the developing world will cause a double 'crunch' in demand for water and energy in the coming decades, the United Nations says in a report published on the eve of World Water Day. Duration: 01:22