The earth’s climate continues to change, or will it go back to 90 million years ago? The United Nations issued a warning to many countries
The earth's climate has been changing in recent decades, and the most obvious manifestation is that winters are getting warmer. This is due to an imbalance in the ecosystem's carbon cycle. A large amount of carbon in the formation is converted into carbon dioxide and emitted into the atmosphere, causing the greenhouse effect to intensify and the global average temperature to rise, which in turn causes the polar glaciers to melt and global sea levels to rise, directly threatening human living space.
Some time ago, the World Meteorological Organization, a meteorological agency affiliated with the United Nations, confirmed the highest temperature record ever recorded in the Arctic. In the summer of 2020, the organization monitored a high temperature of 38°C in the Russian town of Jansk (Vilho) located in the Arctic Circle, and the highest temperature record in Antarctica was 18.3°C.
Affected by the earth's rotational tilt, the earth's poles receive limited light and heat, and are in a state of extreme cold all year round. Temperatures above 0 will only briefly occur in summer. But the temperature of 38°C far exceeds the average summer temperature previously monitored in the Arctic Circle, and even exceeds the temperature in most temperate regions.
This is extremely bad news for the planet. Rising average temperatures in the polar regions will not only cause glaciers to melt and sea levels to rise, but will also be accompanied by dramatic climate changes such as typhoons, extreme high temperatures, and heavy precipitation. The World Meteorological Organization has confirmed that extreme weather phenomena around the world in recent years are closely related to rising global average temperatures.
According to the World Meteorological Organization’s prediction, if the earth’s average temperature continues to rise, the earth’s climate may return to the Cretaceous period 90 million years ago. During this period, the earth's climate was unusually warm, with sea surface temperatures in the tropics reaching as high as 42°C, much higher than the current 17°C. If this day comes, the first thing mankind will have to face is the continuous intrusion of sea water. The few land areas are getting smaller and smaller, constantly squeezing the living space of mankind.
Aware of the huge threat that global warming may bring to mankind, the United Nations launched an emission reduction action to curb global warming many years ago. However, taking into account the needs of economic development, this plan was not strictly implemented.
Even if the plan is implemented strictly in accordance with the plan, the ideal state can only control the increase in global average temperature to less than 1.5 by 2050, and it cannot be reversed. Earth's climate is a very complex system. What humans can do at present is to slow down this process as much as possible. Sooner or later, humans will face the consequences of rising global average temperatures.