• About
  • Partnerships
  • Challenges
  • Awards
  • Grant Opportunities
  • News

Eco-Toilet

This project aims to utilize ultrasound to move and settle human waste collected in a specifically designed latrine. This redesigned latrine uses less water and therefore provides a more sustainable solution to collect human waste.

More information about Reinvent the Toilet

Great ideas come from everywhere.

Sign up for email updates of the latest grant opportunities and awards.

View the Grand Challenges partnership network

The Bill & Melinda Gates Foundation is part of the Grand Challenges partnership network. Visit www.grandchallenges.org to view the map of awarded grants across this network and grant opportunities from partners.