Summary: The text discusses the importance of understanding the mechanisms and impacts of climate change on marine ecosystems, particularly focusing on ocean acidification. It highlights the various ways in which rising carbon dioxide levels are affecting marine life, such as disrupting the balance of calcium carbonate in shell-forming organisms like corals and mollusks. The text also emphasizes the need for further research to fully comprehend the extent of these impacts, as well as the importance of implementing measures to mitigate the effects of ocean acidification. Lastly, it underscores the role of policymakers, scientists, and the public in working together to address this pressing issue and safeguard the health and resilience of marine ecosystems in the face of climate change.