Reefs at Risk, World Resources Institute Reports

(CNN) — Human activity and climate change have left about 75% of the world’s coral reefs threatened, putting the livelihoods of many countries that depend on the ocean ecosystems at risk, according to a report released this week. Local threats such as overfishing, coastal development, and watershed- and marine-based pollution are responsible for the immediate…

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In Hawaii we have about 600 different species of tropical reef fish and 25 % of those are endemic ( found nowhere else in the world but here ). Our fish in Hawaii are very special. Have you ever wondered how our fish got here or where did they come from? Let’s start by learning about this.

Coral reefs ‘could disappear in our children’s lifetime’

For me, an Australian marine scientist who has spent the past 40 years working on reefs the world over, these threats were of real concern, but their implications were limited in time or in space or both. Although crown-of-thorns starfish can certainly devastate reefs, the impacts of sediments, nutrients and habitat loss have usually been of greater concern, and I have been repeatedly shocked by the destruction I have witnessed.