Experts from Harvard and beyond gathered Monday to discuss the oceans’ plight in a warming world, offering hopeful solutions despite the often bleak assessment prompted by warming, pollution, acidification, and coral bleaching.

Author Paul Greenberg said eating more and different seafood, emphasizing species that are less energy-intensive to harvest and high in omega-3 fats, can help answer the world’s food challenges in the coming decades.

Hal Harvey, the CEO of Energy Innovation, a San Francisco–based energy and environmental policy firm, encouraged an audience at Harvard to get involved in about innovative ways to address climate change.