What Is A Combined Sewer? written and narrated by Dr. Anna Zakrisson____Does your city smell of poo from time to time? It is quite likely that you have felt a whiff of such unpleasant odors after heavy rain events. But, have you ever stopped and asked yourself why this happens?You might not like the answer…The reason is: overflowing combined sewers.Find out how green roofs can help to mitigate this serious problem!__________Read the full article on the Purple-Roof blog:https://www.purple-roof.com/post/what-is-a-combined-sewer_______Don't hesitate to contact us if you have any questions at[email protected]