Taiwan is home to some of the world's most biodiverse coral reefs. Nearly one-tenth of the world's marine species can be found living along Taiwan's coasts. However, climate change and pollution are leading to the nearly irreversible mass bleaching of these vital ecosystems... and time is running out for scientists to save them. On this episode of Zoom In Zoom Out, filmmaker Anna Luy Tan discusses how she documented the country’s coral reefs, the damage from climate change and the scientists trying to save them.