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.

This massive stretch of forest plays a significant role in the planet's biodiversity and even its climate.

From a Galapagos tortoise to one black rhino subspecies, these 11 species have been declared extinct or possibly extinct over the past half-century.

Learn about the most devastating oil spills in history, and what’s being done now to avoid more in the future.

Get to Know North America's Temperate Rainforests The Pacific Northwest is home to the only temperate rainforest on the continent.

The windiest place on earth is determined by average breeziness, strongest gusts, and susceptibility to storms. Here are 10 of the windiest spots.

Proper identification of wild mushrooms is crucial when foraging. Our guide shows the differences between common edible and poisonous mushrooms.

Trees reduce noise pollution through absorption, deflection, refraction, and masking. Learn how noise barriers work and what trees are most effective.

Discover incredible extinct animals that used to roam the Earth, and learn about the de-extinction projects attempting to bring some of them back.

Learn what business and industry are doing to take responsibility for their impact on the planet.

Learn the definition of wind energy, how it works, the different types of wind energy, pros and cons, and more.