Examines how domestic waste is generated, the crises of overflowing landfills, contaminated water supplies, and the depletion of resources, and methods of dealing with waste, including recycling.
Examines the ozone layer--a thin band of gases that surrounds the Earth--discussing its importance, the threat posed by pollution, and possible solutions.
Examines factors threatening various animal and plant habitats, such as pollution and depletion of natural resources, explaining what can be done to conserve and preserve the planet.
