Coral Reefs of the World Classified by Threat from Watershed-based Pollution
![](http://www.365bettiyuzaixian.net/files/d8/s3fs-public/styles/455_wide/s3/watershed_based_pollution_web_low-res.preview.png?VersionId=kX9PJjNUNsbAp539k9Ilfb3OCpyFj_kR&itok=2t8R-aS8)
Coral reefs are classified by estimated present threat from watershed-based pollution, which threatens more than 25 percent of reefs globally.
Projects that include this Resource
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Reefs at Risk
Raising awareness of threats to coral reefs and providing information and tools to manage coastal habitats more effectively.
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