The Worcester Wildlife Trust say that dredging is not the answer to river flooding.
In contrast to the views of many, they say they are compensating for dredging in the 1970's and 1980's, by allowing greenery to grow to absorb water and creating bends in waterways to slow down flow.
More top news
Midlands Pollen Report
East Midlands Weather: Mainly dry overnight. Heavy rain on Friday.
West Midlands Weather: Dry with clear spells tonight. Rain spreading northeast on Friday.