Depending on where you live, there are some items that simply aren't recyclable, including varieties of paper, glass and plastic. Check with your city service provider to know specifics, but here ...

How GM Invented Planned Obsolescence It all started with a struggling auto company in the 20s.

Learn where to recycle milk cartons and how to do it correctly, whether the carton should be flattened or not, and what to do with the plastic caps.

Find out what nitrogen oxides (NOx) are, why they are a serious environmental concern, and what role they play in the Volkswagen diesel engine scandal.

There are 145 National Forests in 41 states in the United States. Discover each of them, state-by-state.

Cactus leather can be used for handbags, shoes, furniture, and more. We look at its environmental impact and how it compares to cotton and leather.

Cellulose tape is a transparent adhesive tape that happens to be biodegradable too. It is difficult to find, especially in the US. Almost all transparent tape sold here is made of acetate. One ...

Pinyon pine is a widely distributed pine that grows in the Intermountain region of western North America. It is a major indicator tree in the pinyon-juniper life zone. P. edulis is a short and ...

Friends and enemies in the animal world tend to be pretty clear-cut. But as these unlikely pairs show, even Mother Nature doesn't set things in stone.

From fruit peels and coffee grounds to pantyhose and pill bottles, here's how to save money and treat your trash like treasure.

You Can Have Geothermal Power Everywhere If You Drill Deep Enough A new technology drills with microwaves and can go down 12 miles to where the real heat is.

Why is rice vegan, and when is it not? Our expert guide helps you always choose vegan rice products and dishes.