Berkshares principals are Community, Economy, Ecology and Sustainability.
It was founded in 1980 by Bob Swan comrade of E.F.Schumacher who wrote the book “Small is Beautiful: Economics as if People and the Planet Mattered”, written 1973.
“Infinite growth of material consumption in a finite world is an impossibility.”
E. F. Schumacher
Check out this PBS documentary about Berkshares