Waters of Babylon — Michelle Stone

Volume #2 of the Dimensional Shift Series. Some 22,000 people parked in space struggle to save what's left of dying earth. Kelt Nelby attempts to learn the secrets of an ancient artifact which may hold the clues to restore Earth's plant life. Separated by a lethal virus, his soul mate, Akhi Richmond, battles to keep humanity from perishing in the cities floating far above the Earth's surface. While humans on earth exterminate each other, only a very few will find the means for humanity's survival.