Artificial Reef

A coalition of scientists named the Global Coral Reef Alliance (GCRA) is developing a technique called the Biorock Process using mineral accretion for reef restoration, mariculture, and shoreline protection.
Environmental concerns
A multi-million-dollar cleanup of Osborne Reef, a tire dump near Fort Lauderdale, Florida is underway. The tires started posing a particular threat after breaking free from the reef and damaging nearby natural reefs.