A nonrenewable resource is a natural substance that is not replenished with the speed at which it is consumed. Its supply is finite.

The ecological footprint is a method of gauging humans’ dependence on natural resources by calculating how much of the environment is needed to sustain a particular lifestyle.

Renewable resources definition A renewable resource is defined as a resource that is replenished by the environment over a relatively short period of time. Basically, it is a resource that can be ...