Mining the ocean floor could solve mineral shortages – and lead to epic extinctions in some of the most remote ecosystems on Earth.
Maintaining momentum is crucial as nations build a treaty to safeguard the high seas, argue Glen Wright, Julien Rochette, Kristina M. Gjerde and Lisa A. Levin.
Gather scientific evidence on the feasibility and risks of marine geoengineering to guide regulation of research, advise Philip Boyd and Chris Vivian.
Stalling the fastest flows of ice into the oceans would buy us a few centuries to deal with climate change and protect coasts, argue John C. Moore and colleagues.
Multi-agency report highlights increasing signs and impacts of climate change in atmosphere, land and oceans