The 8-billion-pound elephant in the room is the number of people that need clothing. Wool, and eating meat, can be sustainable if demand is below an environment

The 8-billion-pound elephant in the room is the number of people that need clothing. Wool, and eating meat, can be sustainable if demand is below an environmental-degradation threshhold. We're living "high on the bog" of the riches that petroleum provides, and weaning is painful (but worth it, if enough of us care about the life-stories of our great-great-etc-grandchildren).