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Despite dire predictions about the impact of climate change on Australia's iconic Great Barrier Reef, researchers have found that badly-damaged coral has managed to repair itself. Scientists say, although this is a heartening discovery, the threat of global warming to the world's largest coral system has not diminished.
Scientists have warned that the Great Barrier Reef - which stretches for more than 2,500 kilometers down Australia's northeast coast - is likely to bear the brunt of warmer ocean temperatures.
A major concern has been the bleaching of coral, where the sensitive marine organisms wither under environmental stress caused by increased water temperature, pollution or sedimentation.
Comment: The only problem with this debunking theory is that the chevrons in Madagascar are made of material from the ocean floor with sediment hundreds of meters deep and containing microfossils that are fused with metals typically formed by cosmic impacts.
Chevrons in Madagascar
Unless sea level has changed drastically in 5,000 years this "counter theory" (which is not a theory at all since it's not explaining what has caused these chevrons) is far more worthless than the theory it's trying to replace.