Person who will not eat meat unless it is sustainably derived. This means the person will only eat free-range meat, grass-fed (beef), with no additives.
For his new year's resolution, Alex decided to go sustainitarian. He always asks the waiter if the meat is free-range, oftentimes embarrasing the restaurant. To this day he has had to settle with vegetarian options.
ayon kay Sustainitarian ika-23 ng Pebrero, 2011