A Fine Gael Senator is calling for car registration numbers to be placed on drive-thru takeaway bags to stop people littering.

John McGahon made the suggestion after he uncovered a large volume of takeaway litter while cleaning the side of a road outside Dundalk.

He believes that allowing for litter to be traced back to a car owner would deter people from throwing rubbish out their windows.

Is he right?

Helen Vaughan and Donal O'Donoghue discussed this and more in The Week Trending.