Tag Archives: coral reef watch

Severe coral reef bleaching now ‘five times more frequent’ than 40 years ago

scientific diver taking notes during coral bleaching event
Scientific diver taking notes during coral bleaching event at Alcatrazes island, Sao Paulo state shore, Brazil. Credit: Leo Francini / Alamy Stock Photo.

Mass coral reef bleaching events have become five times more common worldwide over the past 40 years, new research finds, with climate change playing a significant role in the rise

January 4, 2018 — The scale of bleaching has been rising steadily in the last four decades, a study author tells Carbon Brief, with the global proportion of coral being hit by bleaching per year rising from 8% in the 1980s to 31% in 2016. Continue reading Severe coral reef bleaching now ‘five times more frequent’ than 40 years ago

Almost 75% of Japan’s biggest coral reef has died from bleaching, says report

coral bleaching occurs when unusually warm water causes coral to expel algae, turning it white
Coral bleaching occurs when unusually warm water causes coral to expel algae, turning it white. Photograph: The Ocean Agency

Coral in the Sekisei lagoon in Okinawa has turned brown and is covered with algae, according to a government study

January 13, 2017 — Almost three-quarters of Japan’s biggest coral reef has died, according to a report that blames its demise on rising sea temperatures caused by global warming.  Continue reading Almost 75% of Japan’s biggest coral reef has died from bleaching, says report