Kathryn Kellogg is taking her accessible tips for a zero-waste lifestyle and focusing on the heart of the house. Our kitchens can produce a shocking amount of waste and, even though food scraps may seem harmless, they can't properly decompose in a landfill. What's more: wasting food can strain your wallet. The average American family of four will lose $1,500 annually on food waste. It's time to turn things around 101 Tips for a Zero Waste Kitchen...