How Do They Do It?

Recycling, Plasma TV, Fireworks, Railroad Tracks, Ink

This episode begins with explaining how recycling works using as an example airplanes. Then goes on...

Salt Mines, Trainers, Ships, Watches, Wind Farms

Tires, Excavators, Newspapers, Ports, Contact Lenses

Internet Cable, Cranes, Pencils, Water, Toothpaste

Glass, Golf Balls, Zippers, Coke Cans, Tire Changes

Concrete, Cell Phones, Lightbulbs, Steel, Traffic