Direction (1-7): In the passage given below words are given in bold, each followed by a number given in the brackets. Every word in bold has five alternatives. Find the word which best suits the place. If the given words suit the blank, mark 'all fit' as the answer and if the given words doesn’t suits the blank, mark ‘none fit’ as the answer.

The concept (1) sustainable development can be interpreted in many different ways, but at its core is an approach to development that looks to balance different, and often competing, needs against an awareness of the environmental, social and economic limitations we (2) as a society. All too often, development is driven by one particular need, without fully considering the (3) or future impacts. We are already seeing the (4) this kind of approach can cause, from large-scale financial crises caused by irresponsible banking, to changes in global climate resulting from our dependence on fossil fuel-based energy sources. The longer we pursue (5) development, the more frequent and severe its consequences are likely to become, which is why we need to take action now. Living within our environmental limits is one of the (6) principles of sustainable development. One implication of not doing so is climate change. But the focus of sustainable development is far broader than just the environment. It's also about (7) a strong, healthy and just society.