A big lesson from the reef

The lesson from Australia's Great Barrier Reef is that we have to protect its biodiversity - because biodiversity in turn protects us.

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<p><a href="http://www.physorg.com/news160924011.html">A big lesson from the reef</a></p> <p>The lesson from Australia's Great Barrier Reef is that we have to protect its biodiversity - because biodiversity in turn protects us.</p>