19:00Mark ForrestWhat to do with your old Christmas treeBBC Local Radio Duration: 3 hours Wed 10th Dec 2014, 19:00 on BBC Radio CambridgeshireMark tries to solve the annual problem of what to do with your old Christmas tree thanks to a business in Wiltshire plus Mark speaks to the host of The Science of Santa.GenresEntertainmentBrandMark Forrest Source: BBC Online