One way to develop environment should begin with the people living in slums by improve the living condition of each person. For instance, everyone should not throw garbage into the river because it will increase the polluted water and stench .And, it is a way to reduce waste by removing the garbage from the waste re-use benefits. Moreover, the garbage can be reused as an energy recovery. For example , there are the benefits of garbage , such as making fertilizer and recycling the plastic.