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Confinamientos bajaron la contaminación menos de lo esperado
elnacional.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from elnacional.com Daily Mail and Mail on Sunday newspapers.
Confinamiento rebajó contaminación del aire menos de lo esperado: estudio
lopezdoriga.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from lopezdoriga.com Daily Mail and Mail on Sunday newspapers.
El confinamiento redujo la contaminación, pero menos de lo esperado
acento.com.do - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from acento.com.do Daily Mail and Mail on Sunday newspapers.
Jan 13 2021 Read 467 Times
The first COVID-19 lockdowns led to significant changes in urban air pollution levels around the world, but the changes were smaller than expected – a new study reveals.
After developing new corrections for the impact of weather and seasonal trends, such as reduced NO
2 emissions from winter to summer, the researchers evaluated changes in ambient NO
2, O
3 and fine particle (PM
2.5) concentrations arising from lockdown emission changes in 11 global cities: Beijing, Wuhan, Milan, Rome, Madrid, London, Paris, Berlin, New York, Los Angeles and Delhi.
Led by experts at the University of Birmingham, the international team of scientists discovered that the beneficial reductions in NO
An aerial view of the roads and bridges are seen on Feb. 3, 2020 in Wuhan during covid-19 lockdown. (Photo: Getty Images, Getty Images)
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I know it seems like forever ago, but think back to the early days of covid-19 when lockdowns first halted travel and industry in huge swaths of the world. It was devastating to the economy and was a symptom of a huge public health problem, but reports showed there was at least one good thing to come out of it: As levels of activity in many sectors fell, so did global air pollution. Well, a new study shows that we may have overestimated those reductions in air pollution.