Over the course of four years, Miami native Michael Zimmer spent dozens of hours underwater filming a team of scientists as they meticulously removed samples of healthy corals from the reefs within ...

he says. In Grenada, the location of his sculptures draws attention to a reef badly damaged by Hurricane Ivan in 2004, where natural renewal of the coral has been greatly hindered by global warming.

Despite covering less than 1% of the total ocean floor, coral reefs support an estimated 25% of all marine life, meaning they’re central to preserving ocean biodiversity. However, record global ...

A colorful coral reef, viewed from just beneath the surface of the ocean. A winding river delta, seen from far up in the sky.