Of course a bunch of folks from Athens, Georgia - up in that red clay piedmont - would figure out a way to remediate coral reefs. They found a way to start non-profit foundations around the idea while involving coastal communities and schools in deploying these projects.
Including the phrase: "The students learned to write grants, and many of them got corporate sponsors to help buy the molds."
Reef balls: also good for rebuilding mangrove swamps, slowing beach erosion, teaching high school students to write grants and recieve corporate sponsorship and burying the dead.
And they live about 300 feet above sea level.
That being said, Louisiana is facing the greatest coastal loss of almost any place in the world, and this state collects old Christmas trees to try and stop the process.