SECORE International’s coral seeding program has shown success in helping corals resist bleaching due to rising ocean temperatures. A new study reports that laboratory-grown corals remained healthy during the 2023 Caribbean heatwave. This method of coral restoration increases genetic diversity, making corals more resilient to environmental stress. By using sexual reproduction, SECORE’s approach contrasts with traditional methods that create genetically identical clones, which are more vulnerable. Overall, this program offers hope for the future of coral reefs facing climate change.