The terrible heat once swept the globe

Extinction extends throughout the species during the early Tam Diep century, turning the earth into a desert, due to the terrible heat that destroyed all life.

In the period from 247 to 252 million years ago, the earth buckled at the terrible heat waves, when life fell into widespread extinction, known as the Permian cessation event. The process of extinction occurred and wiped out almost all life on the surface of the globe, including plants almost impossible to survive, with 95% of the deaths. Our planet was like a great toaster, making all creatures struggle to find a way to survive, and most failed.

Plants inherit the role of consuming CO2 and cooling the earth. Thus, the lack of trees and earths is like a giant greenhouse, and everything starts to lose control, according to research co-author Paul Wignall, a paleontologist of the University of Leeds (UK). . Some mere forms of life that once escaped the Permian genocide, such as hard-shelled snails and oysters, were also unable to bear the heat. So the earth fell into a state of death for 5 million years, according to the Science report.

To draw this conclusion, Wignall and his colleagues studied small fossils collected from shallow waters in southern China, then the equator. When analyzing the oxygen isotopes in fossils to determine the temperature at the time, experts discovered these waters in the Permian era had reached 40 degrees Celsius at the surface, the temperature was listed as dead. For comparison, the average temperature of this area is currently around 25 to 30 degrees Celsius. This result may help explain the mystery that has led scientists to scratch their hair without understanding why the left it took five million years to recover from the Permian extinction, while other extinctions took only a few hundred thousand years. Under the heat of that person, no creature could survive. This may also be the hottest period in the history of the earth.

So can this nightmare happen again?'In theory, it could happen again,' answered expert Wignall. The average global temperature has increased by about 0.8 degrees C since 1880, according to NASA's Goddard Space Research Institute, with two-thirds of the increase occurring since 1975. However, even with a warm trend As the current speed, the longest time the Earth has fallen into that situation. However, experts warn that the earth could be in danger if people do not abstain from actions that harm the environment, causing the surface temperature to warm up.