10 Interesting Things About Ecosystems | NASA Climate Kids https://climatekids.nasa.gov/10-things-ecosystems/
Learn new things about living things all over the planet.
In the tundra, life is tough.
Learn new things about living things all over the planet.
In the tundra, life is tough.
This permanently frozen ground is beginning to thaw as Earth’s climate warms.
Much of the Alaskan tundra is permafrost.