At -9.9 degrees, the temperature in the southern hemisphere dropped sharply, and the 24-hour 19 city in South Africa reached a new high. Is it an extreme climate?

202 1 the earth is really amazing, and extreme weather phenomena can be said to be very obvious. You should have seen it some time ago. Extreme high temperature in the northern hemisphere is very rare, and the high temperature in North America has been refreshed many times. The surface temperature of Death Valley in California has risen to 8 1 degree, although many people find this climate incredible, especially in North America, which lacks "air conditioning".

But this temperature change does exist and can be determined, so many people die under the influence of high temperature. At the same time, the temperature in the Arctic Circle has also soared, and "thunderstorm weather" has occurred frequently. Scientists keep calling for "changing" the climate, but there is such extreme high temperature in the northern hemisphere, and the problems such as rainfall are also very serious. At the same time, the climate in the southern hemisphere has also changed.

The northern hemisphere experienced extreme high temperature, rainfall and other weather. The southern hemisphere was also hit by an extreme cold current, which can be said to be very strong. According to the notice of the South African National Meteorological Administration on the evening of July 23rd, local time, the lowest temperature in many places in South Africa broke the historical record due to the extreme cold current. What happened? The earth is really "two worlds of ice and fire". Hot and cold is really too strong.

The local meteorological bureau in South Africa also released data showing that 19 cities set a new temperature record. Among them, the temperature in Johannesburg dropped to minus 7 degrees, and the last record in July 1985 was minus 6.3 degrees, while the temperature in Kimberly dropped to minus 9.9 degrees (it was minus 8. 1 degree in July 2000), which became the lowest temperature in 2 1 year, and it was a strong cooling.

Therefore, such extreme climate change and large-scale attacks by cold air masses are really rare. However, according to the forecast of meteorologists, the temperature will drop sharply and return to normal soon. So this is an extremely cold climate in a short time. Don't worry, but this kind of climate change can show that extremely cold weather is quite rare. Actually 19 cities hit new lows, and the earth's climate may really change in the future.

In 20 19, Nature published a study, pointing out that scientists warned that "tipping points" may have appeared in nine regions of our planet, which has a disastrous impact on human beings. The report clearly pointed out that the sudden and irreversible threat of climate change is increasing, including America, Europe, Australia and other places, among which only Africa and Asia are slightly stable.

The climate, including the polar regions, may have entered a "critical point" state. For example, in the past century, the melting of Swiss glaciers has hit record highs, and the loss of glaciers may reach 90% by the end of this century. Now more than 500 glaciers have disappeared. So the temperature of the earth is getting higher and higher, and the change of the earth is getting stronger and stronger.

Let's take a look at the extreme cooling in South Africa. Obviously, it is only a kind of global climate change, and it also belongs to extreme weather. In the case of global warming, we may see more extreme high temperature and extreme cold in the future. People often use one sentence to describe the future changes of our planet, that is, "it is hotter when it is hot, and colder when it is cold." This is extreme climate change, so the root cause is "global warming".

Today, the climate of our planet may have changed dramatically. Although Nature magazine shows that there may be a critical point of climate in nine regions, it also shows that the evolution of climate is becoming more and more complicated. What human beings see now may be just the tip of the iceberg, so we must speed up the control of climate change in order to see these extreme climates "retreat" slowly. This is the general situation.

The climate of the earth is indeed becoming more and more extreme, which has brought more and more disasters to mankind. It is really time for mankind to "wake up". If the earth's climate has not changed, global warming has no effect, and so on. Once the climate breaks through the critical point, the whole world will encounter extreme weather patterns, so the possibility of climate change is very low.

Therefore, in view of climate change, we should reduce greenhouse gas emissions, plant trees and so on, and the global "Qi Xin Cooperation" can change all this. In May of 20021year, the carbon dioxide concentration of the earth reached 4 19ppm, once again hitting a rare high. This shows that human beings have not yet produced results in climate change, and emissions are still rising, so it is necessary to change the climate.

Although human beings are advocating Martian immigration now, it is difficult to achieve it in a short time, and it may take hundreds of years to transform Mars to make it habitable. So it is more practical to talk about Martian immigration now. Only when the earth is protected, the hope that Mars will become the "second earth" of mankind may be even greater.