SUSTAINABILITY DEFINED

Sustainability can be defined in a variety of ways.

Dictionary.com explains it this way:
SUSTAINABILITY
noun

1.

the ability to be sustained, supported, upheld, or confirmed.

2.

Environmental Science. the quality of not being harmful to the environment or depleting natural resources, and thereby supporting long-term ecological balance: The committee is developing sustainability standards for products that use energy.

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The Living Principles explains it this way:

SUSTAINABILITY:
Meeting the economic, ecological and social needs of the day without impairing the chances or development of future generations. (UN-Conference, Rio de Janeiro, 1992)

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The NaturalStep is a "not-for-profit organization dedicated to education, advisory work and research in sustainable development." Utilizing the science of sustainability, The Natural Step helps organizations apply this framework to their business model. This short video explains Sustainability from their point of view:

The Natural Step / Sustainability explained
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Now read this:
Do we need the S word? Yes, for many reasons.