Weymouth bay on the southern coast of England, where Seacure sucks carbon dioxide out of sea water
Heidi Stewart / Alamy
At the back of The Sea Life Aquarium in Weymouth on the southern coast of England, a hangar resists with the water rush in the tanks. Three reef sharks and a nurse shark sail in one. A stingray is hidden somewhere in another. But a rectangular tank closed in stainless steel contains an entirely different beast: carbon dioxide that bubbles sea water as part of a process that scientists hoped could one day help to reverse climate change. A red line on a computer screen …
