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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]

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