Under the human flourishing theory of property, owners have obligations, positive as well as negative, that they owe to members of the various communities to which they belong. But are the members of those communities limited to living persons, or do they include non-living persons as well, i.e., future persons and the dead? This Article argues that owners owe two sorts of obligation to non-living members of our generational communities, one general, the other specific. The general obligation is to provide future generations with the basic material background conditions that are necessary for them to be able to carry out what I call life-transcending projects that their forebears have transmitted to them. The specific obligation is project-...