Carbon storage in spotlight at UN Ocean Summit

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00:00Now, the UN Ocean Summit is continuing today in Nice, in the south of France.

00:04Today on the agenda, discussions on ocean, on climate, on biodiversity and links,

00:09promoting and supporting all forms of cooperation.

00:12A little earlier I spoke to a reporter who's at the summit for us in Nice, Antonia Kerrigan.

00:18They're absorbing more than a quarter of our CO2 emissions.

00:22So today what we'll be looking out for is ways that they're talking about preserving

00:27and protecting that key property of the seas.

00:30I've spoken to scientists this week whose focus is carbon storage,

00:34studying how the carbon is mapped across the globe in different parts of the ocean

00:38and whether that storage is static, dynamic, how it operates,

00:42with a view to when we create marine protected areas,

00:46well, should we take into account where there's the most carbon storage?

00:49Should we be focusing on that as well as biodiversity concerns?

00:53Another thing we'll maybe hear a little bit about today is marine carbon dioxide removal.

00:58Now, that's more controversial.

01:00It's the idea that by adjusting pH in the oceans,

01:03by making the oceans slightly more alkaline, you can make them absorb more CO2.

01:09Now, of course, it sounds like an extremely convenient solution.

01:12Let's boost our number one carbon sink.

01:15But the scientific community issue a note of caution.

01:18They say, hold up.

01:19We don't know what the impacts could be on marine life.

01:22So the message will be from them to beware of two convenient solutions.

01:27We'll be looking out for all of that today at the conference.

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