Ask Boutros Boutros Ghali
"Water will be more important than oil this century," says the former UN Secretary General - quizzed by a TV, radio and internet audience from around the world.

Tackling a thirsty world
BBC Environment Corresondent Alex Kirby asks why water is one of the planet's biggest challenges.

Global village voices: Water
You told us how water affects your lives. Listen to people's stories and experiences from around the world.

Are we doing enough?
Do you live in a water-scarce region? Share your experiences and views on the world water crisis.

Can water crisis be averted?
You put your questions to the head of Unesco and the president of the World Water Association.

Water wars
Will nations really come to blows over water? Our panel of experts disagree.

Water privatisation
You asked an anti-privatisation campaigner and a World Bank vice president.

The experts' view
Some of the world's top water experts on how to make a difference.

Why we need to act fast
Sir Richard Jolly asks what can be done to solve the problem of clean water and sanitation.

Water saving tips
An A to Z of how to reduce water consumption.

Middle East water wars
Is water a crucial factor behind many of the region's conflicts?

The cost of water
World Bank VP Michael Klein puts the case for privatising water.

Waking up to water crisis
The BBC's Matthew Davis experiences life on less than 10 litres of water a day.