Deep-Sea Mining and Marine Animal Welfare

Deep-sea mining is an emerging industry targeting mineral-rich seabeds. Its potential to disturb or kill deep-sea animals at scale raises significant welfare concerns.

Key Facts

Deep-sea mining targets polymetallic nodules, cobalt-rich crusts, and seafloor massive sulphides for battery metals
The Clarion-Clipperton Zone in the Pacific is a primary target area, spanning millions of square kilometres
Deep-sea habitats support unique fauna including sea cucumbers, polychaete worms, sponges, and rare fish
Mining plumes of sediment can spread hundreds of kilometres and smother benthic communities
Recovery of disturbed deep-sea habitats may take decades to centuries given extremely slow biological processes
The International Seabed Authority (ISA) regulates deep-sea mining in international waters
Multiple nations and companies hold exploration licenses despite moratoriums called for by conservation groups

Welfare Considerations

Deep-sea mining's welfare implications are poorly studied because deep-sea animal sentience research is in its infancy. However, the physical disturbance of mining - crushing, sediment smothering, noise, and light pollution in permanently dark environments - has the potential to cause suffering or death to vast numbers of animals across enormous areas. The precautionary principle argues strongly for comprehensive welfare impact assessments before mining proceeds at scale, particularly given the irreversible nature of deep-sea habitat damage.

What You Can Do

Support calls for a moratorium on deep-sea mining until comprehensive environmental and welfare assessments are complete
Choose electronics brands that commit to responsible sourcing and avoiding deep-sea mined minerals
Follow the Deep Sea Conservation Coalition's campaign for protection of deep-sea habitats
Contact your representatives to advocate for stronger ISA regulations with welfare and ecology provisions