What are the tallest trees in the world? These 10 skyscraping superstars are some of the stalwart examples of their species.

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

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

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

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

Cultivating the land for farming requires testing your soil, improving it, tilling the soil and ensuring proper fencing.

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.

What should you do when a wasp or hornet lands on you? Learn more about why wasps attack and how to avoid getting stung.

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

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

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

Even though pineapples are considered a fruit (and a fruit generally comes from trees—unless it’s a berry), pineapples actually grow on a plant close to the ground. Each pineapple plant bears ...