Summary: The text discusses the impact of climate change on coral reefs, highlighting the increasing frequency and severity of bleaching events. It explains how rising ocean temperatures lead to the expulsion of algae from coral, causing the reefs to turn white and making them more vulnerable to disease and death. The text also mentions the importance of coral reefs as biodiversity hotspots, providing habitat for numerous marine species and supporting the livelihoods of millions of people. It emphasizes the urgent need for global action to reduce greenhouse gas emissions and mitigate the effects of climate change in order to protect these invaluable ecosystems and the services they provide to both marine life and humans. Additionally, it calls for increased efforts in coral reef conservation and restoration to help these vital ecosystems recover and thrive in the face of ongoing environmental challenges.