Experiments outside the lab come with new responsibilities

St. Ives is an idyllic seaside town on the southwest tip of England. It is a magnet for holidaymakers and artists. In early 2023, its residents were surprised to find that their beloved bay had become the location for an experiment. A technology start-up called Planetary Technologies had gained permission from the local water company to add magnesium hydroxide to a wastewater outlet pipe and pump it a mile offshore. Some within the community were outraged to find out from a national newspaper not only about the planned release of the chemicals, but that a small test had already happened the previous September. That April 2023, more than 300 protesters gathered on the beach, some with slogans on their surfboards. Most of them were concerned about the risks to their ecosystem and its crabs, seals, and lobsters. On finding out more about the company and its ambitions, some of the protesters started to see the experiment in a new light.