The Wild Dead (Bannerless Saga)

"Decades after environmental and economic collapse, pockets of settlements struggle to maintain a much-reduced civilization by strictly rationing resources--including the ability to have children. Enid of Haven, an investigator in this community, travelsto a far-flung village with her new, inexperienced partner to settle a minor resource dispute. But while there, the murder of an outsider demands her attention, and leads to explosive secrets"--