Society for Science and the Public
Science News for Students: Sea Changes
Discusses the serious impact greenhouse gases are having on the pH balance of the oceans. It looks at the sea butterfly, which has more difficulty forming a shell as ocean acidification increases, as well as the damage acidification does...
NOAA
Noaa: Ocean Explorer: Off Base Acidity of Oceans
A student inquiry into properties of the ocean's carbonate buffer system, and how changes in atmospheric carbon dioxide levels may affect ocean pH and biological organisms that depend on calcification.