(i) Sustainable use of natural resources is the process by which economic, industrial and social needs are met but the resources are to be managed and exploited in such a way that the biodiversity, balance in the ecosystem, and the biological cycle like carbon, nitrogen and water cycle are not destroyed.
(ii) Coal, oil and natural gas are chiefly used to provide electricity and to power vehicles. We should take advantage of the abundance of solar, wind, wave, tidal and thermal energy that is free, renewable and sustainable. These resources will provide more than enough green electricity which can then power all the industries, homes and transport that we need.
(iii) Sustainability lays emphasis on environmental protection and check environmental degradation, moreover, to stop over exploitation and over use of resources.