Describes how thrown-out appliances, electronics, and batteries can affect the environment and discusses reuse and recycling of computers, refrigerators, related packaging, and other items.
Explains the dangers excessive amounts of food waste pose to the environment, describes the various ways food waste is disposed of, and encourages people to begin disposing of food waste in more environmentally responsible ways.
Explains the dangers household waste poses to the environment, the many ways household waste is processed, and the steps people can take to reduce the amount of waste they produce.
Examines the history and development of genetic fingerprinting and how scientists are using this knowledge in various fields including crime prevention and medicine.
Examines a range of endangered species from rain forest tigers to woodland birds, discussing why they are threatened and what is being done to save them.
Examines the different water sources in the world, how water is treated, and the problem of supplying clean water to the world's increasing population.
Takes a close-up look at how plants, animals, and pests survive in harsh urban conditions. Focuses particularly on the damaging effect humans have had on cities and what action can be taken to improve the quality of city life. A Peruvian tale tells how the Incas built their first city and encourages readers to apply their knowledge of city habitats.
Provides information about climate, discussing global warming and its effects, looking at how natural events such as volcano eruptions impact the climate, and including tips on what can be done to limit the changes people make to the climate.