The deep ocean comprises 96% by volume of the habitable space on Earth, and its health is critical for the well-being of all living things, including humans. Yet human activities in the deep ocean are increasingly affecting ocean health in various ways.

DOSI assembles groups of experts to focus on specific topics related to the health of the deep ocean, from climate change and deep-sea mining to fisheries and pollution. These groups work across sectors to assimilate scientific knowledge and inform ecosystem-based management of resource use, as well as strategies to maintain the integrity of deep-ocean ecosystems, both within and beyond national jurisdiction. In this way, DOSI seeks to aid decision-making related to deep-ocean governance at international and national processes.