Sentence:  A city on a hill—or many cities on hills—surrounded by unbroken vistas of beautiful countryside; small, thriving, family-run farms growing organic, seasonal, and <WSD>sustainable</WSD> fruits and vegetables specific to the region. 
Meaning of the word marked with <WSD> tags:  Able to be produced or sustained for an indefinite period without damaging the environment, or without depleting a resource; renewable.