The deep sea (depths below 200m) covers about half of the Earth’s surface and is home to a vast range of species. Little is known about these environments, and the researchers say mining could have “long-lasting and unforeseen consequences”– not just at mining sites but also across much larger areas.

Geop 5eRising demand for minerals and metals, including for use in new technology, has sparked renewed interest in seabed mining.

Despite the term “mining,” much…