The document investigates the correlation between litter and population density.
Over 27,000 items of rubbish were collected over a five-month survey period by volunteers across the country.
Bori Kiss from Barnes was one of the volunteers who collected things like food wrappers from the waterways around SW London.
The findings show that the UK’s coastline holds 60% more plastic pollution than inland areas.
Coastal areas saw a significant influx of new plastic waste in comparison.