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The nodules in the Clarion-Clipperton Zone between Hawaii and Mexico were first discovered by the crew of HMS Challenger in 1875, but only recent developments in underwater robotics have made large-scale mining of the metals possible.
The UN-affiliated organisation that oversees the controversial new industry has granted licenses for companies to explore the area, but full-scale mining has yet to start. That could soon change, however, as the tiny Pacific island nation of Nauru has triggered a “two-year rule”, giving the International Seabed Authority (ISA) two years to implement regulations governing the industry. That set a deadline for a roadmap to be adopted by 9 July 2023.
“Deep-sea gold rush is a gamechanger,” read adverts for the Deep Sea Mining Summit 2022 at the Hilton London hotel in the capital’s Canary Wharf district, for which delegates paid £1,195 for the two-day event this week. “After years of negotiations and false starts, deep-sea mining is close to a breakthrough.
“As we move into an era of mining the deep-ocean floor, the world’s most remote environment, mining companies are working on overcoming the perceived challenges and developing island nations are watching with interest. As the demand for base metals and minerals surges ever beyond what our land is able to provide, new technological and technical developments are helping to drive forward this new industry.”
Daniel Wilde, economic adviser on oceans for the Commonwealth Secretariat, which represents Nauru and many of the other small island states keen to start seabed mining, told the conference that he expected the ISA to agree a payment regime that would hand mining companies a post-tax profit of 17.5%.
However, he warned the audience that “the two-year deadline does seem quite tight, [and] if it’s not agreed there are questions about what happens next”.
Ebbe Hartz, a geologist at Aker BP, a Norwegian oil exploration company part-owned by BP, said mining for seabed metals could eventually overtake drilling for oil. “But the problem is going to be finding [the metals], and we don’t have a lot of data.”
Hartz said machine-learning data collection would be key to the success of seabed mining, and would ensure “we don’t need to make all the errors we made with hydrocarbons”.
https://www.theguardian.com/environment/2022/apr/29/deep-sea-gold-rush-rare-metals-environmental-harm