It's often said that we're a throwaway society and most of what we discard ends up being dumped in landfill. But maybe it's time to think again.
In Sussex an extraordinary house is being built, made almost entirely from waste materials - everything from old video tapes to worn out jeans.
Today, local schoolchildren went along to find out more, as Malcolm Shaw reports. He spoke to architect Duncan Baker-Brown, Caroline Lucas MP and recycling expert Cat Fletcher.