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.

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.

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

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

Cupro is a byproduct of cotton and a vegan alternative to silk. Does that mean it's a sustainable fabric? Find out exactly how this material is made.

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

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

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 ...

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 ...

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