The energy flows on this planet, and humanity’scurrent technological expertise, are together such that it’s physically possible for us to construct aworldwide civilization—meaning a political order—that provides adequate food, water, shelter,clothing, education, and health care for all eight billion humans, while also protecting the livelihoodof all the remaining mammals, birds, reptiles, insects, plants, and other life-forms that we share andco-create this biosphere with.
As humans, and as sapient beings, we have always known the answer, and we have always had the means to achieve worldwide peace, free healthcare, and so on. It is still a mystery to me how we ended up in this situation.