The world lost 14% of its coral reefs between 2009 and 2018.

 A report issued by the Global Coral Reef Monitoring Network showed on Tuesday that about 14% of the world's coral reefs were lost between 2009 and 2018 due to climate change, overfishing and pollution.
The organization, whose report was based on data from 12,000 sites in 73 countries, indicated that the state of the world's coral reefs in 2020 "provides the most accurate comprehensive scientific overview to date on the damage caused by high temperatures in coral reefs worldwide."
The network explained that "coral reefs around the world are under constant pressure as a result of warming related to climate change and other local pressures, including overfishing, unsustainable coastal development and declining air quality."
The statement pointed out that "the world lost between 2009 and 2018 about 14 percent of the coral reefs in coral reefs, representing an area of ​​approximately 11,700 square kilometers of coral, which is an amount greater than all the coral that lives in Australia."
"Although coral reefs cover less than 1% of the sea floor, they contain at least a quarter of the total marine animal and plant wealth, constituting a primary habitat and source of proteins and medicines," the organization added.
The Global Coral Reef Monitoring Network indicated that "at least one billion people in the world depend on it for their food or for protection from storms and erosion factors."
A study of ten coral reefs in the world showed that “the stages of coral bleaching caused by the rise in sea surface temperature were the main factor behind the loss of coral reefs,” with a particularly strong phenomenon recorded in 1998.
"Climate change poses the greatest threat to coral reefs in the world, and we must all participate in reducing global emissions of greenhouse gases as soon as possible," said the Director-General of the Australian Institute of Marine Sciences.

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