I was chairing Tristram Stuart talking about his book Waste at the Birmingham Book Festival. When he pulled out a loaf of bread he'd found in a dustbin, I thought it was time to turn my video camera on....
With Charles Clover, the journalist behind The End of the Line. Plus commentary from Guardian Environment Editor John Vidal.
Are environmentalists sending out the right campaign messages? How can they sharpen up their act? The man behind one of the most successful campaigning films of 2009 talks about creating a movie - and a movement.
Nicolas Henninger of EXYZT and Francesco Manacorda, curator of the Barbican Art Gallery, on the site of The Dalston Mill during the installation of the mill and Agnes Denes "Wheatfield - A Confrontation"