Case studies are important because they demonstrate your knowledge in the context of the real world. Using case studies is about backing up your argument with examples, to show that you know what your talking about. It shows a level of understanding that is required for the top marks in Geography.
The challenge of natural hazards - Chile & Nepal (Earthquakes), Somerset Levels (UK Flooding), Typhoon Haiyan.
The Living World - A freshwater pond ecosystem (UK), The Amazon Rainforest / Malaysian Rainforest
Physical Landscapes in the UK - Banbury Flooding
Below are shortcuts to all of your case study notes.
They are organised by the paper they should be used in.