The generation ship, Conservation, has spent the last twenty-nine years sailing through deep space on an interstellar mission. With a crew consisting of humans, animals, insects, trees, and plants, the starship is a microcosm of planet Earth's ecosystem and biomass. Conservation's ultimate destination is Proxima b, an unpolluted, potentially habitable exoplanet where Earth's travelling lifeforms can start a fresh, utopian existence. ...