Hardwood Trees: Identifying the Most Common Species Use leaves, fruit, and flowers to identify types of hardwood trees.

Gasoline Gallon Equivalents (GGE) are used to determine the amount of energy produced by alternative fuels compared to that of one gallon of gasoline.

A climax forest is filled with trees that are considered the last stage of succession for that region. Learn more about this special type of forest.

Two species of sloths are endangered according to the IUCN Red List. Learn about conservation efforts and how we can help restore sloth populations.

15 Smokey Bear posters were created in the mid-1980s for a major state and federal fire prevention campaign. Explore the collection and their message.

Here are maps showing locations of broad types of forest cover by tree types according to frequency of occurrence in the native range.

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

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

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 ...

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.

This guide to building a basic birdhouse is easy as it gets—and rest assured the nesting birds in your backyard are going to love it.

The Food and Agriculture Organization of the United Nations has maps of major world forests. These maps represent current global forest cover.