You’re never too young to learn to recycle. And what better way to start teaching the next generation than with paper and cardboard? After all, they are among the most recycled materials in the U.S.!

Two people stand in a laboratory in front of a closed fume hood; each is wearing goggles, a lab coat, and gloves and holds a box of nitrile rubber gloves. Evan Bailey and Caroline Gilmer were inspired ...