Bison thrive in bitter cold by plowing snow and growing thick coats to withstand harsh winds. Learn how these resilient ...

Sea levels are rising and oceans are becoming warmer. Longer, more intense droughts threaten crops, wildlife and freshwater supplies. From polar bears in the Arctic to marine turtles off the coast of ...

Illegal logging is one of the main threats to forests today. There are high rates of illegal logging in most timber-producing countries in the tropics as well as in Russia and parts of Eastern Europe.

Carbon is essential to life on Earth. It is one of the four key elements that make up the human body—alongside hydrogen, oxygen, and nitrogen—and can be found within our atmosphere as carbon dioxide ...

Discover how animals adapt to winter and what we can learn—from hibernation to staying active and warm during the cold season ...