sustainable
Concise Oxford English Dictionary © 2008 Oxford University Press:
sustainable/səˈsteɪnəbl/
▶adjective able to be sustained.
■ (especially of development, agriculture, etc.) conserving an ecological balance by avoiding depletion of natural resources.
– derivatives
sustainability noun,
sustainably adverb.
sustainability noun,
sustainably adverb.
'sustainable' also found in these Oxford entries:

