#1209 Coral Reefs

Coral reefs support more marine life than any other ocean ecosystem and are, not ___, a favorite pursuit for many divers. But as well as being physically and biologically spectacular, coral reefs also ___ the livelihoods of over half a billion ___. What is more, this number is expected to ___ in coming decades while the area of high-quality reef is expected to halve. In combination with the very real threat of climate change, which could lead to increased seawater temperatures and ocean ___, we start to arrive at some quite frightening scenarios.