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…

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.