We know that rich countries use more resources than poor countries. Everybody knows that the demand for resource is high at present due to an ever increasing population.
The rising demand for various natural resources has reduced their availability. For example, the cutting of trees and the killing of animals have endangered many plants and animal. Many species are either already extinct or are threatened with extinction.
The quality of air, water and land resources is also suffering due to overuse and misuse. We must preserve and conserve them.
The future of the earth and its people depends upon our ability to maintain and preserve the natural resources. We must reduce the using of the natural resources in the case of producing the current. We can use solar panels.