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.

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

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

Learn how trees use massive amounts of water through the process of transpiration for the benefit of themselves and the Earth.

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.

What can you learn from a tree's leaves? Discover how leaf shapes, edges, patterns, and more can help you identify a tree in the forest.

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

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.

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?