In 1993 the United Nations General Assembly designated March 22 as WorldWater Day. The theme for World Water Day 2011 is Water for Cities,calling attention to the growing demand for clean water in the world’scities. A few relevant factoids:
- Every month the world’s cities grow by 5 million new residents;
- In Africa and Asia, the urban population will double by 2030;
- 827 million people live in slums where sanitation is inadequate and clean drinking water is hard to find.
- Worldwide, nearly 500 million people share their sanitation facilities. In 1990, that number was only 250 million;
- Poor sanitation causes cholera, malaria and diarrhea.
The opportunity that is presented by this situation is somethingcalled “integrated urban water management,” such as increased recyclingand reuse of water and wastes. While our cities have many ecologicaladvantages, such as the availability of mass transit, they are clearlyunsustainable without the infrastructure necessary to distribute waterand to safely remove wastes.
Visit the World Water Day web site for more information on World Water Day, including a list of worldwide events.
For those of you in the Bay Area, the Silicon Valley Water Conservation Awards are at 11 am tomorrow at the Silicon Valley Human Society, 901 Ames Avenue, Milpitas. Applied Materials won one of these awards in 2009.
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