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Earth and Human Activity: Earth’s Water Systems
Distribution of Water on Earth
Description
Distribution of Water on Earth
Most of Earth’s water is salty and stored in oceans, making it unusable for drinking, farming, or daily needs. Freshwater, the kind we can use, is only a small part of Earth’s total water. But even that small amount isn’t always easy to access. Some of it is frozen...
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Transcript
About 97% of Earth’s water is salt water. Only about 3% is freshwater, which we depend on for drinking, farming, and daily needs.
Not all freshwater is readily accessible for human use. About 70% of it is frozen in ice caps and glaciers, like those in Antarctica and Greenland, and mountain ranges such as the Cascades and the Alps. Another ...
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