Liz Carlisle's new book, Healing Grounds: Climate, Justice, and the Deep Roots of Regenerative Farming, is a fascinating exploration of food, agriculture, and cultural traditions of the North American, Mesoamerican, African, and Asian diasporas that have survived against all odds in the United States. Despite brutal social and political oppression, these communities have preserved soil-friendly polyculture techniques and cultural practices, like reciprocity and community participation, which point toward more sustainable and regenerative ways of producing food and of living with one another.