Key Messages About Oceans from the National Climate Assessment
The rise in ocean temperature over the last century will persist into the future, with continued large impacts on climate, ocean circulation, chemistry, and ecosystems.
The ocean currently absorbs about a quarter of human-caused carbon dioxide emissions to the atmosphere, leading to
Significant habitat loss will continue to occur due to
Rising sea surface temperatures have been linked with increasing levels and ranges of diseases in humans and marine life, including corals, abalones, oysters, fishes, and marine mammals.
Climate changes that result in conditions substantially different from recent history may significantly increase costs to businesses as well as disrupt public access and enjoyment of ocean areas.
In response to observed and projected climate impacts, some existing ocean policies, practices, and management efforts are incorporating climate change impacts. These initiatives can serve as models for other efforts and ultimately enable people and communities to
To learn more about how climate change affects oceans, explore the resources in the sidebar.