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Ancient submerged forests at Cardigan Bay in Wales show how previous climate change and rising sea levels created the coastline of the UK today. Trees flourished in the area 5,000 years ago, before rising sea levels caused the forest to die away.
This clip is from:
Coast, A Changing Geography
First broadcast:
20 February 2008

Classroom Ideas

Students could be given a picture of submerged forests and asked what they think this coastline looked like 6,000 years ago. They could then be shown the clip and asked to complete the sketch a second time.