Gems founds in fragments of the Almahata Sitta meteorite were formed in an unknown planet that existed when our solar system was just forming, researchers say.
The World Coal Association's chairman and Glencore executive, Mick Buffier, has called governments to increase investment in low emission technologies.
The study, commissioned by Nautilus Minerals, shows seabed copper mining may cause less disruptions to the environment and local communities than terrestrial operations.