ASK THE EXPERTS
You put your questions to the head of Unesco and the president of the World Water Association.
Will nations really come to blows over water? Our panel of experts disagree.
You asked an anti-privatisation campaigner and a World Bank vice president.
Some of the world's top water experts on how to make a difference.
Sir Richard Jolly asks what can be done to solve the problem of clean water and sanitation.
An A to Z of how to reduce water consumption.
Is water a crucial factor behind many of the region's conflicts?
World Bank VP Michael Klein puts the case for privatising water.
The BBC's Matthew Davis experiences life on less than 10 litres of water a day.