Dr. Jean-Pierre Gattuso is a CNRS Scientist at Sorbonne University and the Institute for Sustainable Development an International Relations. He studies the effects of climate change on marine ecosystems, as well as investigates ocean-based solutions to mitigate and adapt to climate change. He also coedited the first book on ocean acidification and has contributed to several IPCC reports. Jean-Pierre joins to discuss ocean acidification, ocean warming, their impacts on biodiversity, and efforts to adapt to sea level rise.