Sustainable (adjective)

1. Capable of being maintained at a certain rate or level.
2. Capable of being upheld or supported.
3. Capable of being continued without exhaustion.
4. Capable of being sustained without causing damage to the environment.
5. Capable of being maintained without depleting natural resources.

Origin:

From sustain + -able.

Examples:

1. The company is committed to sustainable practices.
2. The government is promoting sustainable development.
3. The country is working on a sustainable energy plan.
4. The community is creating sustainable jobs.
5. The product is made from sustainable materials.