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Huge stretches of coral reef around the world are turning a ghostly white this year amid record warm ocean temperatures. On Monday, the U.S. National Oceanic and Atmospheric Administration ...
The leading cause of coral bleaching is rising ocean temperatures due to climate change caused by anthropogenic activities. [3] A temperature about 1 °C (or 2 °F) above average can cause bleaching. [3] The ocean takes in a large portion of the carbon dioxide (CO2) emissions produced by human activity.
In a 2022 report by the U.N. Intergovernmental Panel on Climate Change, experts determined that just 1.2 C of warming would be enough to severely impact coral reefs, "with most available evidence ...
The mass bleaching of coral reefs around the world since February 2023 is now the most extensive on record, the National Oceanic and Atmospheric Administration (NOAA) told Reuters this week.
Whilst coral reefs are bleaching in tropical areas like the Great Barrier Reef, even more striking, and perhaps more alarming; is the growth of tropical coral species in temperate regions, which has taken place over the past decade. Coral reefs are frequently compared to the "canaries in the coal mine," who were used by miners as an indicator ...
Coral bleaching is a major consequence of stress on coral reefs. Bleaching events due to distinct temperature changes, pollution, and other shifts of environmental conditions are detrimental to coral health, but corals can restore from bleaching events if the stress is not chronic. [10]
In 2018, the United Nations Intergovernmental Panel on Climate Change estimated that 70% to 90% of the world’s coral reefs would disappear if global average temperatures crossed a threshold of 1 ...
Rising sea levels due to climate change requires coral to grow so the coral can stay close enough to the surface to continue the process of photosynthesis. Water temperature changes or disease of the coral [ 56 ] can induce coral bleaching , as happened during the 1998 and 2004 El Niño years, in which sea surface temperatures rose well above ...