Aaron Fletcher has been preparing for doomsday for 15 years. See how a nomadic shepherd thinks everyone will have to live in a post-apocalyptic world.
- Innovators around the world are finding creative ways to recycle things we throw away.
- Human hair can soak up oil spills, while used coffee grounds can be made into sunglasses frames.
- We found out how companies are repurposing old chopsticks, flip