in all of these lorries, picked up in all of these lorries, picked up in the green waste bins by 200 men and women working around the county today, they bring it all here and the next stage, as you can see in this pile over here is for it to all be shredded up into much, much smaller pieces. using the big old green shredder you can see just there and if i do a quick spin over here, once it has been shredded it goes into a number of tunnels where it will stay for about a week and a half, water is put on top, air underneath, and get up to a temperature of about 65 degrees and it stays there for about a week and then goes to a process and then it gets saved which we will find out about late in the show before we go let s bring in sarah perry, who works here, understand thisjob and been elevated to anotherjob with us this morning. tell us first and foremost, why is composting such an important part of the food waste process? important part of the food waste rocess? ,., ., ., ., ., process?