Future of the Environment

The UK’s River Thames has come back to life – with a seal population to prove it

The barge carrying the northern bottle-nosed whale rescued from the river Thames passes in front of the House of Parliament in London January 21, 2006. Divers began on Saturday a critical operation to examine and, if possible, rescue a northern bottle-nosed whale that has strayed up the River Thames. REUTERS/Rob Dawson - RP3DSFDXOIAB

London Zoo has found there are more than 3,500 seals now living in the Thames estuary – 1,104 harbour seals and 2,406 grey seals. Image: REUTERS/Rob Dawson - RP3DSFDXOIAB

Sean Fleming
Senior Writer, Formative Content
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Image: Zoological Society of London
Image: Zoological Society of London
Image: Zoological Society of London
Image: World Bank
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