As record temperatures put 73% of the world’s coral reefs at risk of bleaching, scientists are asking: ‘What do we do now?’

After 18 months of record ocean temperatures, the planet’s reefs are in the midst of the greatest heat stress ever recorded. Latest figures from the US government’s Coral Reef Watch, shared with The Guardian, show that 73% of the world’s corals in the Pacific, Atlantic and Indian Oceans have been hit by so much heat … Read more