... in the future. We always think sustainability is so complicated, but actually it's a very simple concept. How can we all live well within this one planet that we have with out exhausting the resources it has to offer? What's hard about sustainability is the emotional drama around it. Intellectually it's simple. This is the most commonly quoted definition and it aims to be more comprehensive than most: "Sustainable development is development that meets the needs of the present without compromising the needs of future generations to meet their own needs". (Brundtland 1987) We can sometimes be confused by the definitions of others and defining sustainability is no exception. Too many commentators provide too many varying definitions. Wakernagel uses an analogy in the attempt to simplify the meaning behind sustainability: "Sustainability is like buying a chair. There's no question whether the chair should be strong enough to sit on or not. That's the ...

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