Premieres Wednesday, April 24, 2024 at 8 p.m. on KPBS TV / PBS App + Encore Sunday, April 28 at 2 p.m. on KPBS TV and 8 p.m. on KPBS 2 and Thursday, May 2 at 7 p.m. on KPBS 2. In the third year of this 7-year project examining the issues facing the planet’s most threatened ecosystems, Dr. M. Sanjayan visits the Maldives to take an in-depth look at coral reefs and the urgent efforts to help them survive climate change.