Weymouth Bay on England’s south coast, where SeaCURE is sucking carbon dioxide out of seawater
Heidi Stewart/Alamy
At the back of the Sea Life aquarium in Weymouth on England’s south coast, a hangar resounds with the rush of water into tanks. Three reef sharks and a nurse shark are cruising around in one. A stingray is hiding somewhere in another. But a closed rectangular tank of stainless steel holds an entirely different beast: carbon dioxide bubbling out of seawater as part of a process scientists hope could someday help reverse climate change. A red line on a computer screen shows…