World Meteorological Organization: PM2.5 concentrations in China and Europe are lower than the global average
Written by: Sun Shengran
publishing:2024-09-05 12:30renew:2024-09-05 12:30
The World Meteorological Organization released its latest Air Quality and Climate Bulletin on Thursday (September 5) local time, showing that PM2.5 measurement results in China and Europe were below average.
World Meteorological Organization: PM2.5 concentrations in China and Europe are lower than the global average. (online picture)
The report shows that a vicious cycle of climate change, wildfires and air pollution is having a spiraling negative impact on human health, ecosystems and agriculture.
The report points out that air pollution causes more than 4.5 million premature deaths around the world every year, while causing huge economic and environmental expenses. The report explains that air quality affects the health of ecosystems, with air pollutants settling from the atmosphere onto the Earth's surface.
The report points out that long-term inhalation of PM2.5 (fine particulate matter) is seriously harmful to health. Sources include emissions from burning fossil fuels, wildfires and desert dust. Data shows that PM2.5 emissions from wildfires in North America are unusually high.
World Meteorological Organization: PM2.5 concentrations in China and Europe are lower than the global average. (online picture)
Additionally, India also has above-average PM2.5 levels due to increased pollution emissions from human and industrial activities, compared to lower-than-average PM2.5 measurements in China and Europe due to reduced anthropogenic emissions.
The report points out that particulate matter not only has a major impact on human health, but also has a major impact on agriculture, reducing crop yields. Practice shows that in severely polluted areas, particulate matter can reduce crop yields by up to 15%. Particulate matter reduces the amount of sunlight reaching leaf surfaces and physically blocks leaf stomata that regulate the exchange of water vapor and carbon dioxide with the atmosphere.
At the same time, agriculture itself is also a producer of particulate matter, which is also released by burning straw, applying fertilizers and pesticides, tilling, harvesting, and the storage and use of manure.
世界氣象組織當地時間周四(9月5日)發布最新《空氣質量和氣候公報》,顯示中國和歐洲的PM2.5測量結果低於平均水平。報告顯示,氣候變化、野火和空
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