Assertion: coral reef | /r/CapableOf | face serious threats
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Source sentences:
text: Yet coral reefs today face serious threats.
text: CORAL REEFS FACE MANY SERIOUS THREATS Corals face serious risks from various diseases, including black-band disease.
text: The Earth's coral reefs, some of the most diverse and valuable ecosystems in the world, are facing a number of serious threats.
text: Coral reefs face serious threats, mainly from the effects of overfishing, pollution from the land, and the twin insults of global climate change - warming and increasingly acidic ocean waters - making this undoubtedly the greatest global threat.