Many of you might be surprised to know how much of our landfill doesn't need to be there - and I'm not talking about recycling.
Every year, 350-thousand tonnes of food waste is put into the red bins, rotting in dumps and releasing methane into the air.
Twin sisters, 19-year-old Kaitlyn and Jessica Lamb, are on a mission change that... the second year students at Canterbury University have just launched 'Compost Club' to show people how easy it is.
Kaitlyn Lamb talks to Jesse.
Kaitlyn and Jessica Lamb have created the 'Compost Club' at Canterbury University Photo: supplied