Ocean acidification has the potential to affect all levels of the food web, from the smallest phytoplankton and zooplankton, to the large fish we count on for our protein. These environmental pressures may result in changes in dominant species, less bio-diverse food webs, fewer species to harvest, and more insecurity in ocean-derived protein.

By one estimate, fisheries provide the primary source of animal protein for more than 3.1 billion people globally, nearly half the world’s population. A reduction in ocean-derived protein sources would have a major impact on global nutrition.

Join marine biologist Bill Gorham for an engaging look at how climate change is reshaping our oceans. In this October 2025 lecture delivered to the Climate Reality PDX Chapter, Bill breaks down the science behind ocean acidification, why it matters for marine ecosystems, and what these changes mean for coastal communities and global climate action. Whether you’re new to the topic or looking to deepen your understanding, this talk offers clear explanations, real-world examples, and a hopeful call for informed, community-driven solutions.

You can learn more about SOCAN’s work on the Oregon Coast from our Coastal SOCAN page