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Algae for the Effective and Economical Treatment of Waste

Natalie Cookson and colleagues at Quantitative BioSciences in the U.S. are developing an algae-based waste treatment system targeted for third-world applications. Cyanobacteria will treat a community's waste and produce two forms of renewable energy: nutrient-rich fertilizer to enhance agriculture and biomethane to power the facility and neighboring community.

More information about Create the Next Generation of Sanitation Technologies (Round 6)

Great ideas come from everywhere.

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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.