According to this recent article by the Guardian, the health of the Great Barrier Reef has greatly deteriorated:
Many precious natural landmarks, such as the Great Barrier Reef in Australia, are threatened not only by human activity, but also by the changing climate of the world.
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The Great Barrier Reef is in the worst state it’s been in since records began and will be “pretty ugly” within 40 years, Australian scientists say.
A Senate committee is investigating how the Australian and Queensland governments have managed the reef, with Unesco to decide next year whether to list it as a world heritage site in danger.
Scientists have told the committee the reef is facing threats from coastal development, such as a massive port-related dredging project at Abbot Point, farm runoff and poor water quality. The reef cannot rejuvenate after times of stress as it once did, the scientists say.
To read more about the changing world and what you can do to prepare, visit: www.greatwavesofchange.org