Researchers surveyed more than 13,000 global cities and found a concentration of pediatric asthma, likely related to nitrogen dioxide and urban air quality.
a gas commonly found in vehicle exhaust, is the cause of nearly 2 million new cases of pediatric asthma per year. Two-thirds of these cases occurred in urban areas where emissions are high.
It's important to note that the proportion of pediatric asthma attributed to NO2 in urban areas decreased from about 20 percent in 2000 to 16 percent in 2019. This shift was likely related to cleaner air regulations, more fuel-efficient vehicles and the shift from coal plants to cleaner fuels in Europe and the U.S. However, NO2 pollution has risen in South Asia, the Middle East and Sub-Saharan Africa.
“Our findings suggest that millions of new cases of pediatric asthma could be prevented in cities around the world by reducing air pollution,”“Improving access to cleaner forms of transportation, like electrified public transport and active commuting by cycling and walking, would not only bring down NO2 levels, but would also reduce asthma, enhance physical fitness and cut greenhouse gas emissions.
The use of cleaner energy and transportation services could help children and adults live longer, healthier lives, particularly in urban areas. Especially sincereleased by the same research team found that 1.8 million preventable, premature deaths in 2019 have been linked to urban air pollution. This issue affects a significant portion of the world's population: The same report noted that 86 percent of urban inhabitants live in areas that exceed the
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