At first look, the barren and cold wilderness of the tundra does not seem to support much life. However, peel back the corners of this fascinating biome and discover the living organisms that thrive within one of Earth's toughest environments, from polar bears and caribou to seabirds and foxes.
Content Note
What is an ecosystem?-- Energy in ecosystems -- Northern Canada -- Arctic archipelago -- Alaska -- Siberia -- Scandinavia and Svalbard -- Alpine tundra -- The Antipodes subantarctic -- Greenland -- Antarctica -- People and the tundra -- Saving the tundra.