The global ranking

Below you see the 3 selected top and bottom solutions and the development in the ranking over the last 10 days.

Top 3 problems

1. Voucher programs

2. Health initiatives

3. The Doha Round

Other problems

4. Liberalizing migration

5. Conditional Cash Transfer

6. Rural Water Supply

7. Malaria program

8. Iron Home Fortification

9. Salt Iodization

10. Combining R&D and Mitigation

11. Water treatments

12. Microfinance

13. Tuberculosis treatment

14. Peacekeepers Post-Conflict

15. Improved stoves

16. Mitigation of CO2

17. Particle filters on cars

Bottom 3 problems

18. Security Guarantee

19. Greater International Cooperation

20. Increased Proactive Response

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