If you look at the map and don't have the public relations material in front of you, the urban form is ordinary exurban sprawl.
https://www.google.com/maps/place/Ecovillage+At+Ithaca+Inc/@...
Sure there's a bus stop at the end of it's long driveway. Route 20 has six buses per weekday. Three buses a day on the weekends. https://tcatbus.com/bus-schedules
If you're going anywhere in the long cold Ithaca winter, a car is the most practical option because it's still sprawl. Maybe better sprawl. But still sprawl even though there's a garden instead of a golf course.