Part One: Warm Up

Discuss the following with a partner or group:

  • Are you familiar with the words pH, alkalinity, or acidity? If not, what do you think they mean? 
  • Why are oceans important to the world? Think socially, economically, biologically, and ecologically.
  • Besides pollution, what other problems are affecting the world's oceans? Why do these problems occur?

Part Two: Video

The following video is a TedTalk on the problem of ocean acidification. Complete the Exercise as you watch the video.

Exercise

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