Question

what is sustainable development and why it is important

Answer 1

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs. Sustainable development has continued to evolve as that of protecting the world's resources while its true agenda is to control the world's resources.

Answer 2

Sustainable Development means all round development , with the situation taking in regards to the future also...
In other words development without exploiting the Resources & development taking the view of needs in future is called Sustainable development..

The essence of this form of development is a stable relationship between human activities and the natural world, which does not diminish the prospects for future generations to enjoy a quality of life at least as good as our own.

hope it helps.
*proudly Indian*