Sign In
Learn bits
Ecology & Environment
Mahesh

29/06/22 21:49 PM IST

Oceans Great Dying 2.0

In News 
  • Scientists from Stanford University, warn of imminent mass annihilation of marine species similar to the Permian extinction (250 million years ago) that wiped out most lives in oceans.
Permian extinction
  • Permian extinction (or the “Great Dying”) was caused by global warming that left ocean animals unable to breathe. Roughly 96 per cent of marine species and 70 per cent of land species went extinct.
  • Permian Era: During this period, land masses collided to form the supercontinent Pangaea. The supercontinent was arid; only a few parts received rainfall round the year.
  • However, the large Panthalassic Ocean, which covered much of Earth, was home to many marine species.
Extinction Reason 
  • Volcanic eruption: Towards the end of the era, a series of volcanic eruptions occurred in central Siberia, injecting massive amounts of greenhouse gases (GHG) into the atmosphere. Then, as of now, the uncontrolled GHG emissions triggered climatic changes.
Source- Down To Earth 

More Related Current Affairs View All

13 Jan

ISRO to attempt ‘docking’ satellites in space

'ISRO SpaDeX Docking Mission: Over the next few days, the Indian Space Research Organisation (ISRO) will bring two small satellites closer together and then join them in space, dem

Read More

13 Jan

Pink fire retardant

'As multiple wildfires continue to torch Southern California recently, authorities are using planes to drop a large amount of bright pink fire retardant to curb the blaze.' Ni

Read More

13 Jan

Genome India project

'The Department of Biotechnology recently announced its new platform and framework for sharing its 10,000 human genome dataset.' The sequences of healthy individuals — fro

Read More

India’s First Ai-Driven Magazine Generator

Generate Your Custom Current Affairs Magazine using our AI in just 3 steps