Great Barrier Reef

Great barrier reef corals and fishes.
The Great Barrier Reef supports plenty of tour-dive companies and commercial fishing outfits. (Image credit: Tanya Puntti/Shutterstock)

Australia's Great Barrier Reef is an enormous and spectacular natural wonder, but it is also one of the most devastating examples of ecosystems that are increasingly threatened by a warming world. Explore its diverse communities of marine wildlife, and discover the challenges facing corals — which are especially sensitive to temperature change — and the animals that depend on them.

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