sustainability

[suh-stey-nuh-bil-i-tee]
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.

Origin:
sustain + -ability

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To sustainability
Example sentences
These fish are great choices from a sustainability point of view because they
  eat mostly grain, not other fish.
The use of topsoil dramatizes the difference between temporary and indefinite
  sustainability.
Deforestation, a problem everywhere chocolate is grown, has made sustainability
  the word on everybody's lips.
As for an overall improvement in sustainability, a few tweaks in the system
  could make an enormous difference.
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