Reading Time: 6 minutes

Houses of Sand: Can Sandbags Fix Nigeria’s Housing Crisis?

While piling up sandbags to create walls that defend against everything from cold drafts to stray bullets is hardly new, using sandbags as a construction material is. We speak to Nigerian entrepreneur Akin Sanda about how his sandbag houses can provide affordable alternatives to low-income families.
Reading Time: 1 minute Hippo Water Roller

Hippo Water Roller Rolls the Water Crisis Away

Instead of carrying heavy water buckets, those who have limited access to water can easily move up to 90 liters of water by rolling it in this ingenious device.