• 1.2 billion people in the world lack access to fresh water
• 3-5 million people per year die of water related diseases
• Unsafe water and sanitation cause an estimated 80 percent of all diseases in the developing world.
• One flush of a Western toilet uses as much water as the average person in the developing world uses for a whole day's washing, drinking, cleaning and cooking.
• Less than 1% of the Earth's water is available for human use; groundwater represents 8%.

(source: UN Division for Sustainable Development)