Some of our most beautiful rivers are ‘chalk streams’. Their pure, clear, constant water from underground chalk aquifers and springs, flowing across flinty gravel beds, make them perfect sources of ...

It's time to head east, to the chalk hills of southern England ... This video is part of UK rivers case studies, a series of clips taken from Paul Whitehouse: Our Troubled Rivers – available ...

Herts and Middlesex Wildlife Trust are connecting communities with nature and encouraging an appreciation of our precious chalk rivers.

But human waste was also pumped into the river, one of the small number of the country’s unique chalk stream ecosystems ... to publish a near real-time map of its discharges, blamed the ...

Some of our most beautiful rivers are ‘chalk streams’. Their pure, clear, constant water from underground chalk aquifers and springs, flowing across flinty gravel beds, make them perfect sources of ...