The Treehugger editorial team is a diverse group of experts—with advanced degrees, professional experience, published books, and more—whose expertise spans every corner of the sustainability space.

Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

How many tubes of toothpaste do you think you’ve used in your life? Think of a number. Now, think of the fact that it takes the average tube of toothpaste 500 years to break down. When you factor in ...