The Once and Future Corals

This narrated slide show gives a brief overview of coral biology and how coral reefs are in danger from pollution, ocean temperature change, ocean acidification, and climate change. In addition, scientists discuss how taking cores from corals yields information on past changes in ocean temperature.

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Ari Daniel Shapiro
Woods Hole Oceanographic Institution
Slideshow length: 6:08 minutes.

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Nice graphics.
Narration very clear, appropriate level