Describes how packaging and other discarded materials add to energy use and to waste, and suggests ways to create less waste by avoiding items with excessive packaging, recycling whenever possible, an
Discusses the advertising industry, including how effective ads work, how they affect and conversely reflect society, and the ethical and legal issues concerning advertising.
Examines the formation and eruption of volcanoes, describes the damages and benefits of volcanoes, and discusses steps taken to predict eruptions and protect the surroundings.