"You lose that last one percent, you’ve got nothing."

What’s in your sunscreen?

Safe chemicals that save you from cancer, says the industry that makes it.

But some scientists say two common chemicals in sunscreens are ruining the world’s coral reefs, which in turn could eventually kill tourism for Key West.

“We’re not seeing new coral,” said scientist Craig Downs, whose 2015 peer-reviewed paper found that two chemicals are helping destroy the coral reefs. “Ninety-nine percent of Florida Keys coral coverage has disappeared in the last 50 years. You lose that last one percent, you’ve got nothing.”

Read more at the Miami Herald.