A recent report stated that in the next decade or so, nearly half of the world's population will live in countries whose water supplies are over-stressed. In parts of Africa, northern China, southern Asia, and the...
Water vapor plays an important role in the water cycle and in the distribution of heat around the planet. By observing the movement of water vapor, scientists can study global wind patterns and the development of...
Tsunamis are the result of processes that shape the Earth's surface: earthquakes, volcanic events, and landslides. People cannot control the dynamic forces that drive tectonic events; however, they can reduce the number...
This interactive resource adapted from the National Park Service explains the difference between explosive or effusive (lava pours from a vent onto the ground) volcanic eruptions, and describes the hazards associated...
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