Conservation biologist Joe Roman discusses how animals act as the arteries of the biosphere by spreading vital nutrients across ecosystems. Topics include reintroducing animals for restoration, whales' movements based on oxygen levels, and the role of animals in nutrient cycling for a regenerative economy.

Conservation biologist Joe Roman discusses the natural processes within animal biology and their impact on the world. Topics include nutrient cycling by animals, human biomass dominance, eating habits' effects on ecosystems, and restoring balance through traditional knowledge and rewilding efforts.