Describes different kinds of storms and atmospheric disturbances, including tornadoes, hurricanes, windstorms, and thunderstorms, discussing how they form and the damage they can cause.
Describes glaciers, sea ice, and other forms of ice, including permafrost and icebergs, discussing how they form and the effects they have on their environments.
Explores the nature, causes, and effects of earthquakes and volcanic eruptions, describes the process of plate tectonics, and examines various volcanic and earthquake activity around the world.