Lauren Sommer and Ryan Kellman, NPR climate reporters, team up with David Sisko, a wildlife biologist, to discuss the plight of Hawaii's endangered kāhuli tree snails. They reveal the staggering decline in these unique creatures, once numbering around 750 species. The guests delve into the critical conservation efforts underway, addressing the challenges of invasive species and habitat loss. Amidst the urgency, they share a hopeful vision for reintroducing these snails into their natural habitat, showcasing the dedication of those fighting for their survival.