All of the above.-water conservation refers to reducing the use of water we use to save energy.riding your bike reduces pollution and greenhouse gas emissions from needing a car ride.a reusable shopping bag, sometimes called bag for life is a type of shopping bag which can be reused several or even many times: this is an alternative of single use paper or plastic bags. it is often made from fabric such as canvas, or sometimes thick plastic. it is more durable than disposable plastic bags, allowing multiple use.reusable shopping bag is a kind of carrier bags, which is available for sale in supermarkets and apparel shops. reusable shopping bag requires less waste of [natural resources such as oil and less emission of carbon dioxide to produce than plastic bags. in some countries, production and distribution of single-use plastic bags are regulated by law in.