Coastal erosion at Porthmissen beach

‘You can’t beat the power of the sea’

As long as there have been cliffs there has been erosion — without it, we would not have beaches. The process occurs as waves, wind and rain put pressure on cliffs, and sediment falls into the sea. One 2018 study estimated that 28,000 square kilometres of land worldwide had been lost to erosion between 1984 and 2015.

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