How poor sanitation kills the equivalent of 20 planes full of children every day

1 litre of water... costs five times as much in a Nairobi slum as in an American city

10 litres provides the daily drink, cooking and washing needs of one person in the developing world

ALSO flushes one toilet in the UK

ALSO represents less than 10 per cent of daily use for one UK citizen

ALSO weighs 10 kilogrammes - women in Africa and Asia carry an average of 20kg of water over six kilometres every day

6,000 children a day die from unsafe water and sanitation - equivalent to 20 jumbo jets crashing every day - according to the UN

73m working days estimated lost to the Indian economy each year because of waterborne diseases

470m people live in regions of severe water shortage - by 2025 this figure will increase sixfold

1.1bn people (roughly one-sixth of the world's population) do not have access to safe water

2.4bn people (roughly two-fifths of the world's population) do not have adequate sanitation

This article appeared in the Observer on Sunday June 01 2003 on p10 of the Business news & features section. It was last updated at 04:11 on June 01 2003.

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