Coral reef monitor adds new alert levels to keep up with soaring ocean temperatures

Ocean temperatures are rising so dramatically that the organization that monitors threats to coral reefs worldwide has added three new alert categories. 

Coral reef monitor adds new alert levels to keep up with soaring ocean temperatures
A snorkeler swims near a partially bleached coral reef surrounded by small striped fish.

Ocean temperatures are rising so dramatically that the organization that monitors threats to coral reefs worldwide has added three new alert categories.