Canary in a coal mine is an oft-used metaphor when it comes to Global Warming and it seems that there are unfortunately a lot of canaries out there. Dying reefs are a prominent canary -- not just because of global warming, but also because of CO2 pollution causing increasing acidification of the oceans.
We've tried many remediation techniques around the globe, from dumping concrete blocks and construction waste, old tires, and sinking retired Navy ships. Some with success, some less triumphantly.
Biorock® offers a different path, one that looks to have real possibilities. It applies an electric charge, "causing dissolved minerals to crystallize on structures, growing into a white limestone similar to that which naturally makes up coral reefs and tropical white sand beaches." As per Biorock®'s own graphics, renewable (solar or wave buoy) power could provide all the required electricity without the need for creating some form of infrastructure to bring power from shore.
Biorock® is not some form of laboratory concept, but has had numerous demonstration projects around the world that have shown enhanced coral growth rates, higher survival rates for corals than nearby 'natural' systems facing similar environmental stresses. Perhaps this is why the Global Coral Reef Alliance (GCRA) has licensed Biorock®.
Keep reading for a video showing off some of these structures.
This video from 2002 shows a marvelous success story using the Biorock structures just one year after implementation. The footage of the structures is about halfway through the video.
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