Tundras and Ice Sheets
Arctic and alpine tundras are areas where trees grow sparsely due to a short growing season, low precipitation, strong winds, and in the case of alpine tundras, high altitude. Tundras are often found near permanent ice sheets where, during summer, the ice and snow recede to expose the ground and allow vegetation to grow.
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National Geographic Magazine
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The World's Water
NG's new Change the Course campaign launches. When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin.
A special series on how grabbing water from poor people and future generations threatens global food security, environmental sustainability, and local cultures.