Published on January 6, 2009
Fresh Water On A Shrinking Planet
World Population Population doubles every 40 years Source: World Bank 2000
World Population Water Withdrawals Fresh water demand doubles every 20 years Source: World Bank 2000
World Population Water Withdrawals Demand > 150% of supply by 2,025 Source: World Bank 2000
“ Water promises to be to the 21 st century what oil was in the 20 th century: Fortune 2000
the precious commodity that determines the wealth [and health] of nations” Fortune 2000
FreshWater In India
Ground water 70%
Ground water 80%
Ground water 80%
Depletes 14 times faster than replenishes Ground water
# children dying every day in India of water illnesses 1600
Gangotri melting Pollution Rain run-off Declining supply
Population growth Agriculture Economic development Sky Rocketing Demand
Demand for water > supply in India by 2020 Source: World Bank 2000
Where is water going?
Source: World Water Council 2003 10,000 liters of water
140 liters of water Source: World Water Council 2003
Source: World Water Council 2003 11,000 liters of water
Source: World Water Council 2003 400,000 liters of water
Source: World Water Council 2003 Geopolitics Water rights Vulnerability Dependencies Conflicts
Potential Water Solutions In India
Pr otect existing fr esh water sources
Harvest existing fresh water sources
Maintain Water Infrastructure
Manage Water Footprint
New Technologies IIT Material Science Innovation Opportunities Large Indian then $BB Global Market
Sea Water Reverse Osmosis
Low-pressure seawater High pressure pump Membrane High pressure brine:25% Fresh water SWRO Exchanger Low pressure reject brine:2% Cost: Rs1 per liter of fresh water
Financing Public: Cost of water illnesses = 3% of India GDP Economic expansion
Financing Private: Venture capital: technology Entrepreneurship Regional rights auction
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