Ocean Warming & Acidification Quiz

Test your knowledge about one of the most critical — yet often overlooked — aspects of climate change: what’s happening to our oceans.

Oceans have absorbed more than 90% of the excess heat trapped by greenhouse gases and about 30% of all human-caused carbon dioxide emissions. The result? Rapid ocean warming and increasing acidification that are already disrupting marine life, coral reefs, fisheries, and the global climate system.

Take this 10-question multiple-choice quiz to see how much you really know.

After each answer you’ll get a clear, evidence-based explanation so you can learn as you go. Ready to dive in?