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

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

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

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.