The rock cycle is important to the recycling of material on Earth because it is a non-stop process. For example, pieces of the Grand Canyon, sediments, are carried by the wind or water, and then it gets deposited. As more sediments fall where the deposition pit is, the more rock starts to build up, and new rocks are formed.
It measures the environmental consequences of a particular plan or policy. This could be important for urban planning and development policies because many policies are centered on the environment.
