What is the relevance of Gandhian model of resource conservation in today's world?

What is the relevance of Gandhian model of resource conservation in today’s world?
or
What is the need for conservation of resources? Explain in the light of Gandhiji’s view.

Gandhiji said, “There is enough for everybody’s need and not for anybody’s greed.” He blamed the greedy and selfish individuals and exploitative nature of modern technology as the root cause for resource depletion at the global level.
Irrational consumption and over-utilization of resources has led to the socio-economic and environmental problems of shortages and pollution. As resources are vital for any developmental activity, resource conservation at various levels is important to overcome these problems. If resources are used up at the same rate as they are generated or formed, they will be maintained for use by future generations.