Describes the wide range of natural disasters that occur on Earth, including tsunamis, landslides, tornadoes, wildfires, earthquakes, climate change, and infectious diseases.

Dynamic planet -- Restless earth -- The earth shakes -- Surviving a quake -- What is a tsunami? -- Wave power -- Walls of water -- Japan's terror -- Recovery begins -- Warnings -- Volcanoes -- Rivers of fire -- Avalanches and landslides -- Atmosphere -- Wild weather -- Hurricanes -- Battling winds -- Hurricane Katrina -- Twisting tornadoes -- Flood alert -- Raging waters -- Drought -- Wildfire -- Fighting fires -- Climate change -- Exploitation -- Infectious diseases -- Epidemic -- The future.