In 2030, the World Environmental Protection Organization issued a statement that with the development of resources and pollution of the environment, resources in various countries around the world have become scarce, and human industrial waste has spread all over the world, including human restricted areas. In the past decade, global ecological problems have become increasingly prominent, including global warming, acid rain, deterioration of water resources, soil resource degradation, global forest crisis, toxic substances and pollution, etc., Which are threatening human survival. Various natural disasters and diseases occur frequently. Protecting the environment and increasing revenue and reducing expenditure have become the most urgent human survival battle at the moment...
Intention: Independent and strong