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　　Cctv newsAccording to China Weather Network, at present, most of northern China is experiencing a strong cold air activity, and this cold air will continue to move eastward today and tomorrow (December 6-7). Due to the overall influence of cold air to the east and north, the cooling time is short. Although the temperature in some areas such as northwest, north China and Huanghuai fluctuates, it will not completely reverse the current high temperature situation. In addition, in the next three days, most areas in China will still maintain the pattern of scarce precipitation.

　　Cold air actively "opens" the temperature in many places in the north is like riding a roller coaster.

　　Yesterday, a strong cold air appeared, affecting most parts of northern China from west to east. Monitoring shows that at 06: 00 today, compared with 06: 00 yesterday, the temperature in central and eastern Inner Mongolia, northwestern Shanxi, northwestern Hebei and northwestern Heilongjiang dropped by 4 ~ 8 C, and the local drop exceeded 10 C.

　　Today and tomorrow, this cold air will continue to move eastward. Inner Mongolia, Northeast China, northern Xinjiang and other places will have a temperature drop of 4 ~ 8 C. Among them, the temperature drop in eastern Inner Mongolia and Heilongjiang can reach 10 ~ 14 C, and the local temperature will exceed 14 C. In addition, during the day, there will be 4 ~ 5 winds in parts of Inner Mongolia, North China, Huanghuai and Northeast China, with gusts of 7~8. There will be sand or dusty weather in parts of western Inner Mongolia, eastern Gansu, Ningxia, north-central Shaanxi, most of Shanxi, southern Hebei, north-central Henan and western Shandong.

　　However, due to the overall influence of this cold air to the east and north, the cooling time is short. Although the temperature in some areas such as northwest, north China and Huanghuai fluctuates, it will not completely reverse the current high temperature situation. It is estimated that on the 8th, the highest temperature in Shijiazhuang will reach 21℃, in Jinan 20℃, in Zhengzhou 23℃ and in Hefei 23℃, and the warmth will be rare in the same period of the year.

　　Looking forward to the later period, there will be a cold air relay from the 8 th to the 9 th, and this cold air will go deeper south. By then, the temperature in Inner Mongolia, North China, Huanghuai and Northeast China will drop by 4 ~ 8℃ one after another, and the temperature drop in eastern Inner Mongolia and south-central Northeast China will reach more than 10℃.

　　In the next three days, most of China’s precipitation is scarce, and the development of rainfall in the south has increased since the 9 th

　　Compared with cooling, the rain and snow weather brought by cold air in the northern region is slightly inferior. Yesterday, only small to medium snow or sleet appeared in parts of northern Xinjiang, northwestern Heilongjiang and eastern Tibet.

　　In the next three days, most areas in China will still maintain the pattern of scarce precipitation. Among them, today and tomorrow, due to the influence of cold air, there will be small to medium snow or sleet in the northeastern part of Inner Mongolia, the northern and eastern parts of Northeast China, and the northern Xinjiang, and the local area will be as big as blizzard; The rainy weather in the south will increase again from the 9th.

　　Specifically, the Central Meteorological Observatory predicts that today, there will be small to medium snow or sleet in parts of northeastern Inner Mongolia, northwestern and eastern Heilongjiang, eastern Jilin, eastern Liaoning, northern and eastern Xinjiang, eastern Tibet, southern Sichuan Plateau and northwestern Yunnan, among which there will be heavy snowstorms in eastern Jilin and northern Xinjiang. There is light rain in parts of southern Sichuan, most of Yunnan, southeastern Guangxi, southern Guangdong, Hainan Island and Taiwan Province Island, among which there is moderate rain in the eastern part of Taiwan Province Island.

　　Tomorrow, there will be small to medium snow or sleet in parts of eastern Inner Mongolia, central and western Heilongjiang, northern Xinjiang, eastern Tibet, southern Sichuan Plateau and northwestern Yunnan. Among them, there will be heavy snowstorms in Ili Valley of Xinjiang and southeastern Tibet. There are small to moderate rains in parts of southern Tibet, southern Sichuan, central and western Yunnan and Taiwan Province Island, among which there is heavy rain in western Yunnan.

　　The day after tomorrow, there will be small to medium snow or sleet in parts of northeastern Inner Mongolia, most of Heilongjiang, central Jilin, northern Xinjiang, eastern Tibet and western Sichuan Plateau. Among them, there are heavy snowstorms in parts of northern Heilongjiang, Ili Valley in Xinjiang, eastern Tibet and southern western Sichuan Plateau. There are small to moderate rains in parts of southeastern Tibet, southern Sichuan Plateau, most of Yunnan, Sichuan Basin, northeastern Guizhou, Hunan, southern Hubei, north-central Jiangxi, western Zhejiang and southern Anhui, among which there is heavy rain in western Yunnan.

　　China Weather Network reminds that cold air activities will be frequent in the next few days, and the temperature will fluctuate rapidly. The public should pay attention to the latest forecast in time, appropriately increase or decrease clothes, and take personal protection when going out.

At the Earth Summit held in Rio de Janeiro in 1992, the concept of "World Ocean Day" was put forward for the first time, aiming at praising the oceans shared by the whole world, emphasizing the connection between the oceans and ourselves, raising people’s awareness of the importance of the oceans in daily life, and understanding the important ways to help protect the oceans.

The United Nations General Assembly adopted resolution 63/111 on 5 December 2008, which willJune 8th was designated as World Ocean Day.

Humans don’t live on the ocean, but why is the ocean so important?

The ocean is the cradle of life, accounting for nearly 3/4 of the earth’s surface area and the ninety-seven percent of all the earth’s water resources. It is the source of our life, and the life of human beings and all other creatures on earth depends on the ocean. The ocean provides many resources and services for human beings, such as oxygen, climate regulation, carbon sequestration, food and medicine, which is of great significance to the survival and development of human society.

The ocean produces at least 50% of the oxygen on the earth, which is the home of most biodiversity on the earth, and the protein ingested by more than one billion people in the world mainly comes from the ocean. And the ocean is vital to our economy. It is estimated that by 2030, the marine industry will employ 40 million people.

Although the ocean has so many benefits, it still needs support.

With 90% of the large fish stocks exhausted and 50% of the coral reefs destroyed, the resources we get from the ocean far exceed the amount that the ocean can supply. In order to protect the ocean and everything it supports, we must establish a new balance based on a true understanding of the ocean and the relationship between human beings and the ocean. We must learn from the lessons of the past and establish contact with the ocean in an inclusive and innovative way.

The purpose of "World Ocean Day" is to tell the public about the impact of human activities on the ocean, promote the global citizens’ movement to protect the ocean, and mobilize and unite the people of the world to carry out a project of sustainable management of the world’s oceans.

"Ocean: Life and Livelihood" is the theme of World Ocean Day in 2021, and it is also a statement of intention to start the ten-year challenge and realize the sustainable development goal 14 "Protection and sustainable utilization of oceans and marine resources" by 2030.

This year, the United Nations organized activities to celebrate World Ocean Day. This is also the second virtual celebration of the United Nations World Ocean Day held on June 8, 2021.

This year’s annual event, jointly organized by the Division for Ocean Affairs and the Law of the Sea of the United Nations Office of Legal Affairs and the non-profit organization Global Ocean and partner Blancpain, will reveal the wonders of the ocean and how the ocean has become the source of our life and supported human beings and all other living things on earth.

Join us in this year’s annual activities of the United Nations World Ocean Day, and you can hear the voices of thought leaders, celebrities, institutional partners, communities, entrepreneurs and cross-industry experts to discuss information about the biodiversity and economic opportunities maintained by the oceans.

At the same time, this year’s theme is particularly important in the preparations for the United Nations Decade of Marine Science for Sustainable Development, which will last from 2021 to 2030. This decade will strengthen international cooperation and develop scientific research and innovative technologies that can meet the needs of marine science and society.

Man and the ocean are a community of life, and we should care for the ocean like life! Only by adopting a more sustainable production and consumption mode and promoting a green production and lifestyle can we improve the global marine ecological health and ensure the well-being of mankind for generations to come.

In the future construction of marine ecological civilization, it is urgent for more people to pay attention to and join the ranks of protecting the marine ecological environment and biodiversity, conserve the diverse marine life and habitats, realize the sustainable utilization of marine resources, and leave a blue sea and blue sky for our future generations.

(Source: United Nations, China Green Development Association, etc.)

Finishing /Xiaoai editing/greenery