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GCSE GEOGRAPHY UNIT ONE REVISION CLIPS
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RESTLESS EARTH Structure of the Earth Earthquakes and Plate Tectonics
Convection currents Why do earthquakes happen? Volcanoes explained Earthquake resistant structures Kashmir earthquake – collision zone – developing country Kobe Earthquake - destructive plate margin – developed country Japan Mt St Helens volcano – destructive plate margin – developed country USA Nyiragongo volcano – constructive plate margin – developing country – Democratic Republic of Congo
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CLIMATE AND CHANGE Causes of climate change Evidence of Climate Change
Rising sea levels in the Maldives Ecosystems Little Ice Age CO2 in the atmosphere Arctic sea ice melts Impacts of climate change Climate change in Egypt
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BATTLE FOR THE BIOSPHERE
Climate Zones Comparing Climates The effect of human activity on the environment Recycling nutrients Ecological footprint of the Sanema people Climate change threatens rainforest Threats to the Rainforest Rainforest destruction Sustainable forestry Biodiversity Species under threat Green Belts and National Parks CITES BAPs Rainforest sustainability
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WATER WORLD Hydrological Cycle World water supply
Causes and impact of acid rain Desertification in the Sahel Toxic waste pollutes waste in China Cholera affects water quality Local impacts in Burkina Faso Diguettes in Burkina Faso Advantages and Disadvantages of Dams Hand dug wells (first 4 minutes) Three Gorges Dam
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COASTAL CHANGE & CONFLICT
Coastal erosion and landforms Coastal erosion in Happisburgh Happy pig farmer! Headland erosion Waves Longshore drift and coastal deposition Depositional features Weathering and erosion Hard and soft engineering – coastal management Coastal management strategies Sustainable coastal management
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EXTREME ENVIRONMENTS Farming in the Australian Outback
How do Aboriginal people survive in hot climates Aboriginal culture and food and Uluru Animals adapt to hot environments Plants adapt to hot environments Plants and animals adapt People live underground in Australia – adapting.. Australia – climate change causes more bushfires Desertification in the Sahel Kyoto explained! – a global solution (cut CO2) Conservation farming– a global solution Diguettes in Burkina Faso – a local solution
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