Aucklanders are increasingly putting the wrong stuff in their recycling bins, often resulting in a lot of the contents going to landfill. The council has found so-called "bin contamination" in the city has doubled over the last three years to over 20 percent of total waste. Recycling bins in public spaces are even worse - a staggering 80 percent of their contents should not be there. Photo: RNZ / Marika KhabaziMillett showed Checkpoint an offending bin that was overflowing with all sorts of the wrong stuff. The kerbside recycling sent to Onehunga was loaded onto a conveyer belt and then sorted and grouped into different materials.