Capable of being sustained, Able to be sustained for an indefinite period without damaging the environment, or without depleting a resource; renewable, Capable of being continued with minimal long-term effect on the environment

the ability to sustain something, the property of being sustainable, ecology a means of configuring civilization and human activity so that society, its members and its economies are able to meet their needs and express their greatest potential in the present, while preserving biodiversity and natural ecosystems, planning and acting for the ability to maintain these ideals for future generations

Relating to or being a commodity or resource, such as solar energy or firewood, that is inexhaustible or replaceable by new growth, Able to be renewed; capable of renewal, of a resource Sustainable; able to be regrown or renewed; having an ongoing or continuous source of supply; not finite, noun_ A thing that is renewable; especially, a renewable source of energy