Morrison, Yvonne

Learn about the atmosphere, ocean currents, air pressure, and fronts, and find out how these can affect Earth's weather in it's different regions.

Read about some of the things that might happen - from living on Mars to working with robots and curing diseases.

An exploration of carbon dioxide that explains its importance to living things, its physical properties, where it comes from, how it is uses, its role in pollution and global warming, how to cut back on fossil fuel use, and other places it is found in the solar system.

Describes various species of cactus around the world, where and how they grow, and how they are used.

Photographs, illustrations, and simple text provide facts and statistics on the earth's environment and the impact of human activity.

Explores how cultures around the world and throughout history have used stone carvings and art to portray their beliefs and experiences, and discusses what researchers have learned about the past by studying these stone carvings.

Looks at some of the environmental problems facing the Earth, discusses how countries around the world have joined together to address environmental concerns, and examines citizen campaigns and actions to protect the future of the planet.

Examines how the technology of DNA is able to help law enforcement in the solving of different crimes.