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The scientists searched for fingerprints of giant icebergs using very detailed 3D seismic data, collected by oil and gas companies or wind turbine projects doing ocean surveys.

China has huge deposits of these, such as dysprosium, which is used in magnets in electric vehicles and wind turbines, and Yttrium, which provides heat-resistant coating for jet engines.

Trump has previously claimed, without evidence, that wind turbines kill whales.

When it comes to sustainability, they can be found in wind turbines and solar farms.

Green MP Ellie Chowns said steel is integral to the "green industrial transformation" - including making wind turbines, trains and tracks - and nationalisation would give the UK the control it needs to renew the industry.