December 2, 2020 By Jane Lubchenco, Peter M. Haugan & Mari Elka Pangestu Nature
Ocean ecosystems are under threat. They also hold solutions. Climate change is increasing sea levels and making the ocean warmer, more acidic and depleted in oxygen. The ocean has absorbed around 90% of the excess heat trapped by greenhouse-gas emissions and one-third of the carbon dioxide emitted by human activities since the 1980s.