We've been seeing evidence for years of how climate change and pollution are affecting coral reefs. The warmer waters and rising acidification have lead to coral bleaching and often coral death. When corals suffer, the life that depends on them is affected too.

Coral reefs make up only 0.2 percent of our oceans, but they are home to over 25 percent of all marine fish species plus other species like sea turtles. Reefs protect shorelines from major storms and provide food and jobs to people who live near them. Essentially, coral reefs are incredibly important to both the health of oceans and well-being of humans.

There have been lots of different types of efforts for preserving and rebuilding coral reefs, most of them requiring lots of time and meticulous labor by divers, but one island in the Caribbean has found a new approach: 3D printing.

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