return to subjectcourse unit previewsBelow are summary videos to preview or revise the essential content of each course unit. A Drainage Basin – Colorado A Drainage Basin – SW USA Cities – Los Angeles Cities – New York Cities – London Climate Rainfall – Climate Climate Rainfall – Clouds & Rain Development – Kenya Development – Resources Development – Rich and Poor Development – Sri Lanka Employment & Popn – Population Employment & Popn – Employment Environmental Issues Grasslands & Deserts – Grasslands Grasslands & Deserts – Deserts Landscapes – Changing Coastlines Landscapes – Shaping the land Landscapes – Mountains National Parks – Introduction National Parks – Yellowstone Natural Hazards – Disasters Natural Hazards – St Helens Rivers & Water Cycle – Water Cycle Rivers & Water Cycle – Rivers Settlement Growth -Settlements Settlement Growth – Urban Problems Settlement – Land Usereturn to subject