If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

About this unit

Your environment means everything around you. The weather, the landscape, and the types of plants and animals that live there are all part of your environment. Some places on earth have extreme environments—places that are incredibly hot or cold, or that have intense storms. Learn how extreme environments affect the lives of people living there!