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  2. Environmental issues with coral reefs - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_with...

    Hawaii's coral reefs (e.g. French Frigate Shoals) are a major factor in Hawaii's $800 million a year marine tourism and are being affected negatively by coral bleaching and increased sea surface temperatures, which in turn leads to coral reef diseases. The first large-scale coral bleaching occurred in 1996 and in 2004 it was found that the sea ...

  3. Scientists say coral reefs around the world are experiencing ...

    www.aol.com/news/scientists-coral-reefs-around...

    Coral reefs around the world are experiencing global bleaching for the fourth time, top reef scientists declared Monday, a result of warming ocean waters amid human-caused climate change. Coral ...

  4. The world's coral reefs are bleaching. What does that mean? - AOL

    www.aol.com/news/worlds-coral-reefs-bleaching...

    800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... They expect between 70% and 90% of the world's coral reefs will be lost. Scientists and conservationists are scrambling to intervene.

  5. World's oceans have gone 'crazy haywire,' officials warn ...

    www.aol.com/news/worlds-oceans-gone-crazy...

    Derek Manzello, coordinator of NOAA’s Coral Reef Watch Program, said in a news briefing Thursday that around 60.5%, or nearly two-thirds, of the world’s coral reefs have experienced heat ...

  6. Ecosystem collapse - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_collapse

    A major concern for marine biologists is the collapse of coral reef ecosystems. [40]). An effect of global climate change is the rising sea levels which can lead to reef drowning or coral bleaching. [40] Human activity, such as fishing, mining, deforestation, etc., serves as a threat for coral reefs by affecting the niche of the coral reefs.

  7. Habitat destruction - Wikipedia

    en.wikipedia.org/wiki/Habitat_destruction

    One-fifth of coral reefs have also been destroyed, and another fifth has been severely degraded by overfishing, pollution, and invasive species; 90% of the Philippines' coral reefs alone have been destroyed. [16] Finally, over 35% of the mangrove ecosystems worldwide have been destroyed. [16]

  8. World's coral reefs hit by a fourth mass bleaching event ...

    www.aol.com/news/worlds-coral-reefs-hit-fourth...

    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 ...

  9. Ocean acidification in the Great Barrier Reef - Wikipedia

    en.wikipedia.org/wiki/Ocean_acidification_in_the...

    Ocean acidification threatens the Great Barrier Reef by reducing the viability and strength of coral reefs. The Great Barrier Reef, considered one of the seven natural wonders of the world and a biodiversity hotspot, is located in Australia. Similar to other coral reefs, it is experiencing degradation due to ocean acidification.