Global Warming could lead to Worst Coral Bleaching Events in 20 years, say Scientists

December 23, 2014 11:21 AM

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Earth's temperature is increasing at a rapid speed. Global warming is pushing air and ocean temperatures higher and higher. According to climate experts and scientists, global warming could lead to worst coral bleaching in two decades.

Bleaching occurs when coral expels protozoa that live on their tissue, zooxanthellae. Healthy coral depends on the unicellular organism for pigmentation and photosynthetic abilities. When coral expels zooxanthellae, it becomes vulnerable to other environmental stressors. After that, it becomes unapp...

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