Environmental issues with coral reefs | Wikipedia audio article
Channel: wikipedia tts
Date: 15/05/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Environmental_issues_with_coral_reefs


00:01:29 1 Issues
00:01:38 1.1 Competition
00:02:39 1.2 Predation
00:03:41 1.3 Fishing practices
00:07:37 1.4 Marine pollution
00:10:19 1.4.1 Nutrient pollution
00:11:47 1.4.2 Air pollution
00:12:31 1.5 Marine debris
00:13:42 1.6 Dredging
00:14:43 1.7 Sunscreen
00:15:50 1.8 Climate change
00:17:54 1.9 Ocean acidification
00:20:31 1.10 Disease
00:22:14 1.11 Other issues
00:24:55 2 Threatened species
00:26:00 3 Issues by region
00:26:09 3.1 Australia
00:26:59 3.2 Southeast Asia
00:27:26 3.2.1 Indonesia
00:28:15 3.2.2 Philippines
00:28:52 3.2.3 Taiwan
00:29:18 3.3 Caribbean
00:30:13 3.3.1 Jamaica
00:30:51 3.3.2 United States



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SUMMARY
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Human impact on coral reefs is significant. Coral reefs are dying around the world. Damaging activities include coral mining, pollution (organic and non-organic), overfishing, blast fishing, the digging of canals and access into islands and bays. Other dangers include disease, destructive fishing practices and warming oceans. Factors that affect coral reefs include the ocean's role as a carbon dioxide sink, atmospheric changes, ultraviolet light, ocean acidification, viruses, impacts of dust storms carrying agents to far-flung reefs, pollutants, algal blooms and others. Reefs are threatened well beyond coastal areas. Climate change, such as warming temperatures, causes coral bleaching, which if severe kills the coral.
In 2008, a worldwide study estimated that 19% of the existing area of coral reefs has already been lost, and that a further 17% is likely to be lost over the subsequent 10–20 years. Only 46% of the world's reefs could be currently regarded as in good health  and about 60% of the world's reefs may be at risk due to destructive, human-related activities. The threat to the health of reefs is particularly strong in Southeast Asia, where 80% of reefs are endangered. By the 2030s, 90% of reefs are expected to be at risk from both human activities and climate change; by 2050, it is predicted that all coral reefs will be in danger.