Coral reefs are essential to the health of our oceans, our food supply, and to protect coastal

property from catastrophic storms. But as climate change pushes ocean temperatures to record

highs, reefs all around the world are dying. And global coral bleaching events have put

more at higher risk. Special correspondent Ben Tracy with Climate Central

shows us how scientists in Jamaica

are using an unlikely tool

to try to bring reefs back from the brink.

It's part of our series, Tipping Point.

The patrol boats is going to live with the anchors for the buoy.

Off the northern coast of Jamaica,

in the middle of a tropical downpour,

a team of researchers

is on a mission to save a dying coral reef.

But two things are a bit unusual.

They're installing speakers on the ocean floor.

And the guy calling the shots...

The buoy is somewhere here.

...is not a scientist.

It's very different from everything that I did before.

Marco Barotti is an artist from Italy.

Why is an Italian artist in Jamaica wearing a wetsuit?

Because everything started in Italy, actually.

...