Six quick, simple and easy ways to reduce waste and save you money on your energy bills. In this guide our Green Doctor explains how small changes can add up. These changes include reducing the temperature that you wash you clothes at, turning devices off instead of leaving them on standby, boiling water in a pan with a lid on, using a bowl for washing up to reduce how much water is needed, avoiding using a tumble dryer and closing curtains to keep in the heat.