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.
Google, Garmin and great big space planes are among the winners of The Economist's Innovation Awards 2012.
Throw in some steamy, sodden clothes and out comes pure water. It tastes great because you worked for it.
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.
The CamelBak All Clear is a portable water bottle that uses UV-C light to disinfect. The water bottle is designed to last for years.
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.
Concept coat collects rain in its large collar, filters it through charcoal, and stores it around your hips to satisfy your thirst. Who needs water fountains when you can wear your own water collector?
Save the world. Drink more beer and wear shoes less. Does Jimmy Buffett know something we don't?
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.