Provides information on Mount St. Helens, a volcano that erupted in Washington State in 1980--covering the area in ash--and includes a description of the event, its aftermath, with a glossary and websites for further research.
Chronicles the 1993 Mississippi River flood, which was one of the worst natural disasters in U.S. history. Describes what causes rivers to flood, and describes the damage caused by this flood.
Explores the ecology of tundras, featuring photographs, maps, and illustrations, along with information on the plants and animals that are native to tundra biomes, and also discusses environmental changes that have impacted these habitats.
Explores the ecology of deserts, featuring photographs, maps, and illustrations, along with information on the plants and animals that are native to desert biomes, and also discusses environmental changes that have impacted these habitats.