Water companies released record spills of raw sewage into rivers and seas in England last year.
According to the Environment Agency there were 3.6 million hours of spills compared to 1.75 million hours in 2022.
Water UK, the industry body for sewerage companies, said it was 'unacceptable' but the record levels were due to heavy rain.
These spills are not illegal but environmentalists say they should only happen in exceptional weather.
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Source: https://www.bbc.co.uk/news/science-environment-68665335