Pickling, drying, canning, fermenting, freezing and curing are all methods you can use to make food last longer, thus reducing waste. Not only will these methods shrink your carbon footprint, they will save you money as well. What’s more, most preservation techniques are simple and can be fun. For example, canning an excess of ripe apples and turning them into applesauce, or pickling fresh carrots from the market will provide you with a delicious and long-lasting treat that even kids will enjoy.