The Only Way To Prevent The Great Barrier Reef From Dying Is To Stop Climate Change

The north of the reef was badly hit last year, as ocean temperatures warmed considerably. The Ocean Agency / XL Catlin Seaview Survey / Richard Vevers

Josh Davis 16 Mar 2017, 19:05

During the 2016 bleaching event, for example, the corals in the northernmost part of the reef were the hardest hit. To many, this was a serious worry considering that these parts are the least accessible and so least visited, making them some of the most pristine areas along the entire reef. But it is precisely because they are so far north that they were so badly affected. This is because the waters there are on average warmer and so any rise in sea surface temperature impacts them far worse than those further south. It now looks likely, however, that even the southern reef will get hit, as the reef is on the brink of an unprecedented second bleaching in two years.  

Yet it is not only the coral and all the thousands of species that will suffer. The Great Barrier Reef is thought to support about 70,000 jobs and bring in an astonishing $7 billion of tourist revenue. If the reefs die, many will suffer.

Unfortunately, the Australian government isn’t exactly known for its strident stance against climate change. Despite the fact that the reef sits off the coast of Queensland, the state has recently approved the establishment of Australia’s largest coal mine, and with most of the fossil fuel being shipped to China, the expansion of a coal port will be built near the reef itself.

The point of the study is that the reef can be saved. If greenhouse gas emissions are dramatically slashed and renewables embraced, global temperatures can be slowed and, in time, stabilized. This would prevent the oceans from warming too much, and hopefully the corals could then have time to adapt. However, it requires the political will to do so. 

The Abbot Point port is being expanded so that more coal can be shipped through the reef. Greenpeace/Tom Jefferson

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