Paul Whitehouse visits River Wharfe in Ilkley, West Yorkshire to see how it is affected by pollution from many sources.
The hundreds of rivers across the UK share common features ... the nearest accessible stream or river to their school using a map and go on a local river walk and take some photos like Ryley ...
A new map shows the chances of seeing the Northern Lights in the UK tonight (Thursday, March 13). The Met Office's space ...
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