Which action is an example of balancing a need for natural resources with a need to protect the environment?

Preservation of the natural environment is very essential in order to ensure sustainability. There are different kind of natural resources in our environment and there are valid techniques that can be used to protect and preserve both the natural resources and the environment.
For instance, in case of forest, land and the ecosystem, one example of balancing a need for natural resource and protecting the environment is the development of land use practices and businesses which conserve the ecosystem as well as enhance the local economies.

The answer is a since the earth has different layers