Ocean acidification: the evidence

Students watch a video to identify and describe the effects of ocean acidification in detail. Next, they examine a graphical representation of ocean acidification data, summarising the linear trends they see. Finally, students calculate the slope of these lines to quantitatively compare and contrast the strength and direction of these trends.

Near the end of an El Niño warming event, these coral reefs near the atolls of Kiribati have been killed by warmed water, and appear in unhealthy shades of red, brown, and white.
Dying Reef: Near the end of an El Niño warming event, these coral reefs near the atolls of Kiribati have been killed by warmed water, and appear in unhealthy shades of red, brown, and white.
Photograph by Danielle Claar/National Geographic

National Geographic. Resource.

Resource type: website

Resource format: online course


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OA-ICC Highlights


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