Explanations of biodiversity at three levels: genetic, organismal, ecological. How biodiversity is critical to medicine, food, and the climate. Critical of farming, and advocates for the decentralization of food systems. Highlights the intrinsic value of ecosystems outside of monetized extraction. Challenges non-profits and NGOs that advocate for conservation without regard for indigenous land practices and other forms of reciprocal interaction among species. Suggests globally there will be a new class conflict over the control of biodiversity, rather than the means of production. Discusses ecological refugees, critiques capitalism as the biggest threat to biodiversity.