Question

Two key concepts of sustainable development

Answer 1

1.The concept of needs

2.The idea of limitations imposed by the state of technology and social organization.

I hope this helps you.

Answer 2

Sustainable development is the kind development activities that meet the needs of the present, without compromising the ability of future generations to meet their needs. This kind of development is expected to be undertaken without stripping the natural world of resources that the future generations would need.