In June 2011, Baa Atoll in the Maldives became a UNESCO Biosphere Reserve along with the likes of Komodo Island in Indonesia and the Galapagos Islands in Ecuador. The atoll is home to one of the largest groups of coral reefs in the Indian Ocean (it's the seventh largest in the world) and supports over 1,200 species of fish and 250 species of coral.
Rising ocean temperatures and increasing acidification are threatening coral reefs. Between 2009 and 2018, the world's reefs lost 14% of their corals. By 2025, 84% of the oceans' reefs have been affected by bleaching, meaning they've been so stressed by the changes to their environments that they've expelled all the algae living inside them, turning them white. As climate change worsens, coral loss is expected to speed up. Corals are also threatened by activities like fishing and tourism.