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With stingy, risk-averse customers, it's tough to commercialize new water purification technologies. Start-ups are focusing on a niche to get a foothold.
With Altela's system, you can put a water purification system almost anywhere.
The U.S. Army is sending to Afghanistan units of a new water purification system that uses common bacterial strains to create potable water in less than a day.
Off-grid solar products for lighting, water purification, cell phones, and cooking are being donated and shipped as part of relief efforts in Haiti.
Inventor says societal priorities and resistance to change slow adoption of potentially superior tech, including a water purification and power generation system he developed for poor countries.
Winners of annual skyscraper contest include a "Vertical Prison" whose inmates work for the host city below, and a building that doubles as a water purification system for a polluted Indonesian river.
One submission to the 2009 Samsonite Baby Travel Design Competition may have been too radical to win, but deserves honorable mention with its air purification and waste sequestration systems.
Purfresh, an ozone-purification company, makes Intellipur to monitor quality and sources of trouble related to food or drinks en route to grocery store shelves.
Relying on UV in sunlight as a purifier, the Solar Bag could help people without clean drinking water.
Called Thirst, the app sends hydration alerts based on current weather conditions and allows users to take and share pics mid-workout on the app's microsite.