A discussion of pollution, examining the effects of pollution on the atmosphere, water, and land, featuring speculative accounts of what life will be like in 2025 if the problem is ignored, and offering advice on what can be done to reduce pollution.
Discusses different types of fossil fuels, the various methods of extraction and use, the problems they can create, and how people can limit the negative effects of unrenewable resources by transitioning to renewable sources of energy.
Traces the history and development of nuclear weapons, describes the arms race of the Cold War, discusses the dangers of nuclear proliferation, and explains what might happen in the future of nuclear proliferation is not stopped.
A discussion of drug trafficking, examining the dangers of drug abuse, the link between drugs and crime, and the social cost of drug trafficking, and including speculative accounts of what life will be like in 2025 if the problem is ignored.
A discussion of food safety, looking at the relationship between food and health, examining food dangers posed by animals, plants, water, chemical toxins and additives, and genetic modification, and offers advice on how to reduce the risk of unsafe food.
Discusses various mammals, insects, reptiles, and flowering plants that are endangered around the world, and examines the effects of hunting, poaching, pollution, habitat loss, and climate change on threatened species.
Discusses the impact of overcrowding, especially among poor developing nations, examining its cause, effect on people and the environment, and strategies used by various governments to deal with the problem.