Why do environmental scientists think that people who economically use water, electricity, gas, food

Why do environmental scientists think that people who economically use water, electricity, gas, food, and household items really protect nature?

at the same time, they conserve resources and pollute the environment less.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.