Tags archives: great-barrier-reef-australia

Climate change and pollution have damaged coral reefs world over. Elevated sea temperatures, associated with global warming has resulted in noxious coral bleaching. According to the Great Barrier Reef Marine Park Authority, 29 percent of shallow water coral cover was lost in 2016 across the Great Barrier Reef. Coral bleaching occurs when the existence of an alga named zooxanthellae is disturbed. This alga is a food source for corals. But in high temperatures zooxanthellae produces harmful chemicals and as a result, corals abandon the...