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

Learn how to identify the yellow poplar tree, including facts about its habit, range, management, and more.

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

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.

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

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.

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

Most Americans live in urban areas, forming huge hot spots of energy consumption. But while rural residents use less energy overall, cities are often slicker ab ...

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

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