Rising sea level

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Rising sea levels, which is an effect of melting ice caused by warmer temperatures, do not allow the reefs to compensate fast enough with the growth. This leads to sedimentation, when clouds of sediment cover the reefs, blocking their access to sunlight, which they need to survive.

What’s more, wastewater that reaches the ocean may have high nutrient content, which triggers excessive development of seaweed around the coral structure.