Why the Great Barrier Reef is in danger

October 29, 2018 12:35 pm | Updated 12:36 pm IST

As one of Earth's most impressive ecosystems, the Great Barrier Reef has lost about 50 per cent of the reef's coral cover, and the generally agreed-upon estimate is that it all could be gone by 2050 unless major action is taken.

The Australian national and Queensland state governments together spend about 200 million Australian dollars ($150 million) every year to protect the reef's health.

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