World Watch 3 - A World of Change, covers aspects of physical, human and environmental geography. The title focuses on seas and oceans; the seasons; cities; shops; transport, and pollution. Case studies allow students to compare and contrast the landscapes and settlements of Wales, Greece and South America. Themes: Planet Earth - Seas and Oceans Rivers - Wearing away the land Weather - The seasons Settlement - Cities Transport - Transport links Work - Shops Environment - Pollution Places: UK - Wales Europe - Greece World - South America