2) recycling. Some things when it is used once, can be used again, such as plastic bags, paper, etc., or can be used by the new
3) therapy and restoration. As a means to reduce the decline of resource of before, such as wastewater treatment plant. Before release into the public waterways
4) using the other alternative. As a way to help the less natural resources and destroying the environment, such as using cloth bags instead of plastic bags.