Second, make rational use of natural resources. There is not much nature left to us by nature. If we overuse it for the sake of better material life, we will regret it one day. Therefore, saving resources and rational utilization is on the one hand, and using scientific research and technology to develop and create resources to save natural resources is on the other hand. Even the simplest way to turn waste into treasure, if people can consciously do it, it is bound to save a lot of natural resources.