https://scalar.usc.edu/works/field-guides-to-food/the-stoplight-model
The Stoplight Model
The Real Food Challenge uses a green-yellow-red light rating system.
the stoplightmodel
https://bluecountrymagic.blogspot.com/2026/05/virginia-250-stoplight-that-stopped-town.html
Blue Country Magic: Virginia 250: The Stoplight That Stopped a Town
Blue Country Magic, lifestyle blog, country life, farming, writing, Botetourt
the stoplightbluecountrymagicvirginia