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.

Here's how to identify certain deciduous trees by closely examining the characteristics of their leaves.

Behold the tundra biome. Characterized by extremely cold temperatures and treeless, frozen landscapes, the species here are marvels at adapting to the harsh climate.

Maps show the vast range of the various spruce tree species that can be found throughout North America.

Learn how to identify different types of common trees with these leaf silhouettes, including maple, sweetgum, birch, oak, and more.

Temperate grasslands are savanna-like areas located on every continent except Antarctica. Learn about the animals and plants in this biome.

Locavore is the name given to people who take part in the growing local food movement. But what is a locavore, and where did the term come from?

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.

Learn about the American basswood, a popular landscaping tree, honey harborer, shade provider, and commercial wood supplier.

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