Environmental investigative journalism nonprofit

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Independent journalism on water, public health and the environment

WATERSHED partners with national and international media to run high impact investigations covering all issues affecting the freshwater and marine environment.

Decontamination of landfill waste leads to increase in toxic chemicals, says study

Decontamination of landfill waste leads to increase in toxic chemicals, says study

Processes intended to decontaminate noxious liquid landfill waste before it enters rivers and sewers have been found to increase the levels of some of the worst toxic chemicals, a study has shown.

Watershed shortlisted for British Journalism Award

Watershed shortlisted for British Journalism Award

The Watershed Pollution Map and the stories it has helped generate have been shortlisted for a British Journalism Award.

Cost of dealing with PFAS problem sites ‘frightening’, says Environment Agency

Cost of dealing with PFAS problem sites ‘frightening’, says Environment Agency

Exclusive: The Environment Agency warns it lacks budget to tackle England’s rising number of potential ‘forever chemicals’ locations.

Southern Water unveils ‘ludicrous’ Norwegian fjord plan

Southern Water unveils ‘ludicrous’ Norwegian fjord plan

A water company which loses millions of litres of water every day through leaks is planning to ship in water by tanker from Norway.

Residents near Lancashire chemicals plant told to peel homegrown produce

Residents near Lancashire chemicals plant told to peel homegrown produce

Residents around a chemicals plant have been told to wash and peel homegrown vegetables before eating while an investigation into potential soil contamination with a cancer-causing chemical PFOA gets under way.

MAPPED: UK’s methane hotspots

MAPPED: UK’s methane hotspots

The UK’s worst methane hotspots include the last coalmine, livestock farm clusters, landfills, power plants and North Sea oil and gas wells, according to Watershed's analysis.

Watershed leads Cambridge University’s Data Lab on water pollution

Watershed leads Cambridge University’s Data Lab on water pollution

Watershed partnered with Cambridge University to lead a multidisciplinary team of early career researchers in a collaborative effort to analyse satellite images and other publicly available data sets.

New Watershed Ocean Pulitzer Fellow

New Watershed Ocean Pulitzer Fellow

Watershed is absolutely delighted to have support from the Pulitzer Center. Congratulations to Saroj Pathirana, our new Ocean Pulitzer Fellow who will be investigating global shipping pollution. 

Rivers in England’s National Parks are more polluted than most city rivers.

Rivers in England’s National Parks are more polluted than most city rivers.

Rivers in the Peak District and Exmoor National Parks are more polluted than rivers in London, York, Belfast and Leeds, according to a new study. Out of 45 rivers tested, rivers in England’s National Parks are in the top 3 most contaminated, some at levels that could adversely affect ecological and human health.

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