Slow River by Nicola Griffith

The novel follows the story of a young woman who comes from a wealthy family involved in high-tech environmental solutions but finds herself estranged and on the run after being kidnapped and then escaping. She assumes a new identity and struggles to build a life from scratch, taking a job at a waste treatment facility. As she navigates the complexities of her new, lower-class existence, she must deal with the trauma of her past, her family's dark secrets, and the intricate politics of the world she left behind. The narrative weaves together her present challenges with flashbacks to her privileged yet troubled upbringing, exploring themes of identity, environmentalism, and the intersection of technology and society. The 10833rd greatest book of all time