I am going to expand on the excellent introduction Hannah gave you to the science of ocean acidification (OA) in an earlier blog. In doing so, I will highlight some of the bigger picture implications ...

Diatoms are the most important producers of plant biomass in the ocean and help to transport carbon dioxide (CO2) from the atmosphere into the deep ocean and thus regulate our climate. Because diatoms ...

An international research team develops a rubric for governments and policymaking bodies to evaluate preparedness for ocean acidification. In a paper published today in the journal Environmental ...

Since the Industrial Revolution, scientists estimate that the ocean has become around 30% more acidic from the uptake of additional anthropogenic carbon dioxide. Ocean acidification has widespread ...

Scientists have known for decades that soaring atmospheric carbon dioxide emissions are causing changes in ocean chemistry, threatening marine life and ecosystems. In June 2025, a study found that ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. The ocean plays a major role in the carbon cycle and ...

Princeton University and Xiamen University researchers report that in tropical and subtropical oligotrophic waters, ocean acidification reduces primary production, the process of photosynthesis in ...

This is read by an automated voice. Please report any issues or inconsistencies here. PORTLAND, Maine — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth ...

Editor’s note: This story was originally published The Guardian. It appears here as part of the Climate Desk collaboration. Acidification of the western Arctic Ocean is happening three to four times ...