The earth’s coral reefs are disappearing due to several causes including the changing sea temperatures, pollution, carbon absorption, and human intervention. The Global Coral Reef Alliance (GCRA) has worked for several years to develop technologies and solutions that would help restore the oceans’ reefs and ensure that underwater life continue to thrive. The late Professor Wolf Hilbertz and Dr. Tom Goreau of the GCRA developed a patented technology and method called mineral accretion or Biorock®, which uses low voltage electrical currents to grow limestone structures on steel sculptures, thereby creating artificial reefs.
The process helps corals grow much faster than they normally do and helps protect the reefs from diseases and damage. The structures also attract a lot of fish that make their homes in the new reefs. Professor Hilbertz and Dr. Goreau conduct international workshops that teach artists, welders, and scientists how to create the steel structures for coral reef restoration projects. They have conducted these workshops in places like Pemuteran, Bali and The Gili Islands in Indonesia.
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