I've covered ocean acidification many years ago, when it was beginning to emerge as a threat to corals and other calcifying sea organisms, and I've written about the planetary boundary concept (most recently, when chemical pollution was found to have exceeded the boundary).
Thus the new research suggesting that ocean adicification is also outside the planetary boundary (as the seventh of the nine parameters in the original planetary boundary paper) presented a good opportunity to visit both issues in one go.
My feature is out now:
Oceans acidified beyond boundary
Current Biology Volume 35, Issue 15, 4 August 2025, Pages R739-R741
Restricted access to full text and PDF download
(will become open access one year after publication)
Magic link for free access
(first seven weeks only)
See also my new Mastodon thread where I will highlight all this year's CB features.
My mastodon posts are also mirrored on Bluesky (starting 22.2.2025), but for this purpose I have to post them again, outside of the thread. (I think threads only transfer if the first post was transferred, so once I start a new thread it should work.)
Last year's thread is here .
The cover image is not really related to my article, but to me it also symbolises the interaction between the oceans and the atmosphere, because: "Bluebottles or man-o'-war, cnidarians in the genus Physalia, use a gas-filled float and sail to catch the wind and sail the ocean surface."
Cover of Current Biology, vol. 35, issue 15, 2025.
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