All over the world coral reefs are dying out. Marine pollutants, agricultural run-off and global warming are taking a toll on these fragile marvels of nature. The Great Barrier Reef, the world’s largest living organism, stretches along the coast of Queensland, Australia in a riotous profusion of colour and form. But this fragile monster is now so threatened that scientists believe the reef may be dead in thirty years. Many corals are so tightly coupled to local conditions that they cannot survive if average sea temperature rises by more than a single degree, a figure we are approaching in some ...
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