CURRENT AFFAIRS

Detailed explanation-1: -On the same tune, a new assessment has revealed that all coral reefs in the western Indian Ocean are at the risk of collapse in the next 50 years. As per a study published in the Nature Sustainability journal, reef systems are at risk of becoming extinct by the year 2070.

Detailed explanation-2: -The bleaching of branching coral (Acropora sp.) is hastened by rising ocean temperatures. An international team of environmental scientists warn that the world’s coral reefs are likely to disappear by 2050 without climate action.

Detailed explanation-3: -By 2030, estimates predict more than 90% of the world’s reefs will be threatened by local human activities, warming, and acidification, with nearly 60% facing high, very high, or critical threat levels.

Detailed explanation-4: -Both tabulate and rugose corals died out in the major extinction that occurred at the end of the Permian Period, roughly 252 million years ago. This extinction marked the end of the Paleozoic Era. The corals that inhabited the post-Paleozoic seas differ significantly from the earlier corals.

Detailed explanation-5: -More than 90 percent of world’s coral reefs will die by 2050.