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Inside Out investigates how often raw sewage is released into rivers and estuaries.

The programme also follows a day in the life of Lauri Love, the 32-year-old with Asperger's syndrome who is waiting to hear whether he will be extradited to the US on charges of hacking.

There is a look at a little-known battle that took place in Suffolk 350 years ago, one of the earliest to feature the English and Dutch marines.