How the River Thames went from 'biologically dead' to wildlife haven

For a river of such monumental importance – be it strategic, environmental, economic or gastronomic – the Thames is rather overlooked.

London's River Thames Has Risen From the Dead

River Thames, History, Map, & Facts

Conservation - Page 13 - The Telegraph

River Thames: Seals, seahorses returning to once polluted waters

11 Riveting River Thames Facts

From 'biologically dead' to chart-toppingly clean: How the Thames made an extraordinary recovery over 60 years

Tomé Morrissy Swan

Scientists reveal results of River Thames 'health check

Seals going swimmingly in the greater Thames estuary, Marine life