I both read Barbara Kingsolver's book and listened to the show. I didn't hear that she was expecting anyone else to adapt her lifestyle. I think she is asking us to think and consider about our relationship to what we eat and to the earth. I'm sure we haven't found all the "right" answers to sustainability. There is so much more exploring and wondering and creating to do. What we know is how we've been doing it is not helpful, and so then we can ask, what is our next step? Possibly it will be small steps for awhile as we find our way. Ms. Kingsolver and her family have presented one possible picture with pieces anybody can pull out and adapt for their own use.
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