A Nigerian teacher and Ashoka fellow, Mohammed Bah Abba has invented an earthenware refrigeration system for preserving perishables in arid climates. Because the system preserves food, families that have... continue reading
posted by laura 1 decade 5 years 1 month 2 weeks ago • 3,265 viewsIdeas for a better world
Created: 1 decade 6 years 11 months 3 weeks ago
Updated: 4 years 10 months ago
Views: 14,189
Updated: 4 years 10 months ago
Views: 14,189
It's up to us to rise to the task.
Here are some videos with novel ideas to improve the world we live in.
And a few of the problems that need to be addressed.
Themes (so far) include education, design, society, technology and sustainability.