Describing the use of materials in nature in a way that does not affect its balance. Usually HOWEVER, sustainability is based is Some Kind of cost-benefit analysis , Where One Has to accept Some damage (or human Caused unbalance) to the ecosystem. Sustainability is the main concept that includes the use and disposal of materials in the life-cycle.

In resource extraction, sustainability is often achieved when the possible damages are minimized and the future of the ecosystem is ensured. One example of sustainable resource extraction is forestry , when it tries to imitate nature’s own processes and plant or seed the new forest .