Deep sea mining could have catastrophic impacts on communities and ecosystems in the Pacific Ocean, but we can stop it before it starts. Heavy machines don’t belong at the bottom of the ocean because the only safe and acceptable mining is no mining at all. This year, governments need to speak out and demand a halt on deep sea mining, instead of giving way to the siren call of the industry. | Greenpeace USA

With the future of deep-sea mining still under debate, here's what we know so far about the proposed practice and its impacts — and what we don't. | World Resources Institute