The Offset by Natasha C. Calder

The world is dying and over populated. Professor Jac Boltanski is leading Project Salix, a ground-breaking new mission to save the world by replanting radioactive Greenland with genetically-modified willow trees. But things aren't working out and there are discrepancies in the data. Has someone intervened to sabotage her life's work?In the meantime, her daughter Miri, an anti-natalist, has run away from home. Days before their Offset ceremony where one of her mothers must be sentenced to death, she is brought back against her will following a run-in with the law. Which parent will Miri pick to die: the one she loves, or the one she hates who is working to save the world?
Binding: Paperback / softback