Yes, it is correct to say that environmental degradation is not just a national issue. Sustainable development emphasises the development that will allow all future generations to have a potential average quality of life that is at least as high as that which is being enjoyed by the current generation. Following examples/cases show the situations which can prove disastrous for future generations.
(i) In many parts of the country, groundwater is overused leading to water level decline of some metres during last decade.
(ii) Crude oil which is extracted from the earth is a non-renewable resource and be exhausted over time.