Over The Past Year, 12 Percent Of The Oceans Reefs Have

Over the past year, 12 percent of the oceans reefs have become bleached due to ocean acidification. Ocean acidification and in turn coral bleaching, is due to carbon pollution causing global warming, this makes the oceans warmer, thus making them more acidic. Coral reefs and shellfish cannot survive these levels of acid in the water. In particular the Great Barrier Reef, one of the seven natural wonders of the world, is suffering from this bleaching. The Great Barrier Reef has been declining in recent years due to this acidification, however, as of recently it has come knocking on death s door. Carbon levels started rising about 200 years ago during the industrial revolution, because the machines invented started pumping carbon dioxide†¦show more content†¦An economic shortage would also occur because both the fishing industry and the shellfish industry will simply have less products to sell. The consequences of ocean acidification don’t just affect the ocean, it dire ctly affects humans too. â€Å"Researchers documented the extent of the damage the reef off the coast of Australia sustained during the 2016 bleaching event, and found that only 8.9 percent of more than 1,000 reefs escaped with no bleaching along a stretch more than 2,300 kilometers long†(Kennedy). There have been 4 major bleaching events in the previous 20 years that have affected the Great Barrier Reef off the coast of Australia. One happened on 1998, another in 2002, and then one in 2016 and one in 2017. This is the first ever documented occurrence of major coral bleaching happening two years in a row. The dying of the Great Barrier Reef will hurt the Australian tourism economy. The Great Barrier Reef tourism generates at least 5 billion Australian dollars a year or 3,297,000,000 USD, and employs nearly 70,000 Australians. 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