Solving the world's social problems
The free open collaborative platform for solving complex social problems
Obesity in the United States
Featured national challenge
American society has become 'obesogenic,' characterized by environments that promote increased food intake, nonhealthful foods, and physical inacti...
Roma beggars in Oslo
Featured city challenge
Over the last 5 years Roma beggars have arrived in Oslo. Their numbers have made a strong presence in down-town Oslo. Their presence has resulted i...
Top 5 problem solvers
- 773 Roy Lachica
- 769 Tim Valberg
- 541 Mark Janssen
- 348 Tom LePage
- 140 Fred Osborne
Latest news
10/13/2014 ALPHA 0.9.26 with major changes to content item listings
Social problem solving
Koios is a tool for social problem solving. It aims to accelerate participatory evidence based change and to be a catalyst for systemic innovation.
We empower regular people and connect experts with volunteers to solve
complex social problems.
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Project status
Help us design Koios.org, a non-profit research and development project.
What are some cool features we could provide to help you in your work?
Browse the site and tell us what you think.
And of course, we are looking for partners and contributors.
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A site for all
We are transforming the processes and tools used by researchers and experts, making problem solving more accessible, achievable and appealing.
Try it out for yourself. Koios is for you who want to solve a social problem.
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Solutions to the world's problems are sponsored by
