SCIENCE & TECHNOLOGY

Five Cool Tech Ideas That Are Changing the World

Five Cool Tech Ideas That Are Changing the World

From the responsibly-sourced Fairphone to tiles that convert footsteps into electricity and ‘water ATMs’, here are five promising sustainable innovations from an annual survey of the 100 most inspiring projects that use technology for social good.

Fog Catchers Dream Big to Boost Water Security

  • 2014•08•28
  • Eliette Angel

With a range of experiments underway to boost the cost-effectiveness of harnessing fog for fresh water, scientists think they are on the cusp of moving the technology to an industrial level.