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 2 months 2 weeks ago • 3,265 viewsIdeas for a better world
Created: 1 decade 7 years 2 weeks ago
Updated: 4 years 11 months ago
Views: 14,191
Updated: 4 years 11 months ago
Views: 14,191
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.