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.

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.

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.

Learn what community-based tourism consists of and what countries are already participating in successful projects.

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.

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 ...

Composted manure is a valuable natural resource that can reduce our reliance on inorganic fertilizers. Find out more about how to use manure here.

Hempcrete provides an increasingly popular, low-carbon option for home building. Discover its unique benefits over traditional building materials.

Complete profile of the corpse flower (Amorphophallus titanum), including parts, life cycle, pictures, and timelapse video of a blooming flower.

Keeping your tires properly inflated is one of the simple things you can do to lower your carbon footprint and fuel costs, and also stay safe.

There are thousands of lizard species, and many are critically endangered. Meet the Fiji crested iguana and other rare and beautiful reptiles.