Exclusive: Rising flood risks driven by climate change could release chemicals from ageing sites – posing threats to ecosystems

‘I kept smelling a horrible nasty smell’: the risks of England’s old dumping grounds

Thousands of landfills across the UK and Europe sit in floodplains, posing a potential threat to drinking water and conservation areas if toxic waste is released into rivers, soils and ecosystems, it can be revealed.

The findings are the result of the first continent-wide mapping of landfills, conducted by the Guardian, Watershed Investigations and Investigate Europe.

Patrick Byrne, of Liverpool John Moores University, said: “With increasing frequency and magnitudes of floods and erosion from climate change, there’s a greater risk of these wastes washing into our environment.