The Humber Estuary is one of the most important sites in Europe for birds. Rising sea levels are destroying the mud flats on which the birds feed. Managed retreat by the Environment Agency could help to create new mudflats further inland. The current mudflats are being destroyed by the flood defences and rising sea levels.

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Bitesize Secondary, Geography
First broadcast:
16 March 2006

Look at alternative projections for rises in global temperature and sea level and examine what effect each would have on the Hunber Estuary. Examine physical and human factors which may be contributing to the problem at a local level. Divide the class into groups and discuss differing views on the managed retreat and conservation of mud flats, as opposed to alternative uses for this land.