【正确答案】Waste: They can use less packaging, especially plastic containers and wrapping. Transport: They can use lorries / trucks that run on greener fuel. They can try to minimise the distance between warehouses and stores. Energy: They can switch off the lights at night if they are not needed. They can use freezers and refrigerators that have doors. They can buy green energy or install generation facilities onsite, like wind turbines or solar panels. Suppliers: They can trade more with fair trade suppliers. They can buy more local produce in order to reduce food miles.