Scientists: Red Sea Corals Threatened by Mass Sea Urchin Die-off

Sea urchin die-off in Israel’s Gulf of Eilat threatens the Red Sea’s coral reef ecosystem. Scientists suspect an unidentified pathogen and call for urgent action.

Source : https://learningenglish.voanews.com/a/scientists-red-sea-corals-threatened-by-mass-sea-urchin-die-off/7107715.html