Nice article in the winter issue of Craftsman Quarterly:
https://craftsmanship.net/the-hidden-powers-of-a-sheep/
Judith Schwartz writes about the people who are trying to turn around the near disappearance of American wool processing within the United States. Ecological reasons for keeping sheep (they contribute to carbon sequestrian if pastures are managed correctly), natural dying, and efforts to make American wool products competitive (based on value not on cost) with Chinese products made from American wool.