It’s no secret that the oceans have been helping to slow the tide on global warming for years now (thanks, bro!). Meanwhile, overfishing, oil spills, and ocean acidification aren’t doing our salty friend any favors. So let’s take a good ol’ Grist-y look at some of the things smart people are doing to address pressing ocean woes, and what still remains to be done. The climate is changing and the sea level is rising — finding out how resilience, food security, and environmental justice work on the liquid parts of the planet will only help us along.