Recently, strong winds and hail have started to fall all over Hangzhou. Why are extreme weather becoming more and more frequent?

It is undeniable that in recent years, the frequency of extreme weather conditions on the earth has indeed become faster and faster, and even a trend of normal development has emerged, which is worrying. In addition, due to the greenhouse effect, more and more water will be produced in the atmosphere, and more and more water vapor will be transported by typhoons in the future. Of course, this means that severe storms will be normalized and floods will become more frequent in the future.

Why are extreme weather becoming more and more frequent?

The increase of human beings, the continuous expansion of cities, the large-scale destruction of the earth's ecology, the excessive emission of carbon dioxide into the atmosphere by industrial development and the emission of automobile exhaust lead to global warming. Extreme climate is more and more harmful to human beings, and it is in direct proportion. The greater the influence of human beings on the earth, the greater the harm of extreme climate to human beings. Only when humans stop destroying the earth will extreme weather appear less.

What are the consequences of extreme weather?

The possibility of simultaneous extreme events in many parts of the world will increase. Accompanied by high temperature, heat wave and drought wave, extreme events at sea level characterized by storm surge, ocean wave and tidal flood aggravate the compound flood events caused by precipitation overlap. By 2 100, more than half of the coastal areas will face extreme sea-level events that occur once in a hundred years. In particular, it is not excluded that the outbreak of key elements of the climate system, such as the collapse of the Antarctic ice sheet, the sudden change of ocean circulation and forest death, will bring great disasters to the living environment of the earth.

How can we solve extreme weather?

Achieving zero net carbon emissions as soon as possible will enable you to achieve the goal of temperature control. Future temperature rise depends on historical accumulation and future greenhouse gas emissions. In order to limit man-made global warming to a certain level, it is necessary to limit the cumulative emission of carbon dioxide to at least zero net emission of carbon dioxide. In the case of low emission, to achieve the temperature rise target of 2℃, net zero emission must be achieved around 2070; In order to achieve 1.5? C, we need to achieve zero net emissions around 2050, and then take strong negative emission measures. At the same time, other greenhouse gas emissions also need to be greatly reduced, and the rapid and sustained reduction of short-term greenhouse gases such as methane will also help improve air quality.