Summary: The text explores the impact of climate change on marine ecosystems, highlighting the increasing frequency of marine heatwaves and the detrimental effects they have on coral reefs, kelp forests, and other marine life. The disruption caused by these heatwaves can lead to irreversible damage, such as coral bleaching and decreased biodiversity. The text also discusses the role of ocean warming in altering marine food chains and distributions, impacting the survival of various species. Furthermore, it emphasizes the need for urgent action to mitigate climate change and protect marine ecosystems, including reducing greenhouse gas emissions and implementing conservation measures. Overall, the text underscores the importance of understanding and addressing the consequences of climate change on marine environments to ensure their sustainability and resilience for future generations.