Environment
Researchers and start-ups are exploring a variety of ways of locking up carbon in the sea, from seaweed farming to fertilising the oceans with iron – but we know little about the implications
The following is an extract from our climate newsletter Fix the Planet. Sign up to receive it for free in your inbox every month.
Earlier this month, I wrote about a new kind of direct air capture technology that could see carbon dioxide sucked from the atmosphere, turned into baking soda and stored in the oceans.
The researchers behind the idea insisted that, in theory, adding huge amounts of baking soda would do our seas no harm – in fact, …
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