Meeting the world's growing demand for water will require advances in technology that build on 3,000 years of progress.
An effort to improve sanitation in developing countries yields lessons in how to achieve enduring, broad-based social impact.
The Peer Water Exchange manages diverse solutions and resources to fight the global water crisis.
Living near safe drinking water is not the same as drinking safe water.
Manish Bapna, managing director of World Resources Institute, is helping China manage its environmental problems.
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Designers have traditionally focused on enhancing the look and functionality of products. Recently, they have begun using design techniques to tackle more complex problems, such as finding ways to provide low-cost healthcare throughout the world.
Should water be turned into a commodity that only "haves" can pay for?