grassroots project

‘Global Water Challenge’ Competition

audio, drinking water, international, outreach, rainwater, research, sanitation, sustainability, water treatment

Ashoka’s Changemakers and Global Water Challenge have partnered to open a worldwide search for ideas and projects that, when scaled-up, have the potential to transform the provision of sanitation and water.

All entries are due by Wednesday, March 26, 2008 6:00 pm EST (21:00 GMT).

Currently, over 149 entries have been received from 45 countries with ideas such as:

  • Affordable household filters that remove arsenic and microbes.
  • Biosand water filters in India.
  • Implementation of water harvesting ponds in Ethiopia.
  • Rooftop water harvesting programs.
  • Solar water-distillation for potable water.

Listen to this excerpt on the ‘Global Water Challenge’ Competition from today’s edition of Marketplace!