Deep-sea mining is the subject of ongoing discussions at the International Seabed Authority (ISA). Such mining would pose substantial risks to marine life and ecosystems, as well as humans, which are not yet fully understood.
It stands to negatively impact many ocean dwellers, from small organisms who live on the seafloor to large marine mammals. Moreover, the ocean is the world’s biggest carbon sink. As the World Resources Institute has pointed out, mining could impact its carbon cycle through the destruction of deep-sea biodiversity, with implications for global warming.
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