Half of the Great Barrier Reef is dead, a study claims

Without corals, the risk of coastal flooding is increased.

Half of the Great Barrier Reef, located in Australia, has been bleached to death since 2016. The sad news is given by National Geographic, with a study regarding the impact of climate change in the oceans.

It is estimated that 30% of corals died in 2016, and another 20% of them died in 2017. The effect is similar to how a forest becomes after a devastating fire. The whitening effect occurs when abnormally hot ocean water destroys the colorful algae of a reef, leaving the coral starving.

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