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Coronavirus causes decline in air pollution across Northern Italy

Earlier this month, scientists observed a reduction in nitrogen dioxide (NO2) pollution in the atmosphere across China, a side effect of many people staying off the roads due to the new coronavirus (COVID-19) outbreak. 

Now, northern Italy is experiencing something similar — as reported by the European Space Agency (ESA), nitrogen dioxide emissions have also dropped over the European country. According to the ESA, the Copernicus Sentinel-5P satellite detected the declining NO2 emissions in northern Italy's atmosphere. Italy was put on a nationwide lockdown on Monday, one day after the Lombardy region in northern Italy (where Milan is located) was placed on lockdown. As seen in the air pollution data, the most significant NO2 decline was observed in northern Italy. 

There are less cars on the streets, less businesses with lights and other machinery on, and overall, less fossil fuels being burned in northern Italy than usual — so it makes sense that the region is experiencing this reduction in emissions. “We are the new Wuhan,” a Milan resident told The New York Times earlier this week, making it clear just how bad the situation has gotten in northern Italy. 

The coronavirus outbreak in Italy continues to grow, with more than 17,000 cases and more than 1,200 deaths (and thankfully, more than 1,400 recoveries). The World Health Organization (WHO) declared COVID-19 as a pandemic this week, with more than 125,000 cases of the virus worldwide. COVID-19 is of course a critical and devastating thing for humanity, and by no means is anyone celebrating the pandemic's effect on air pollution. 

That said, is interesting that something as simple as taking cars off the roads and closing a few businesses — which reduces the amount of fossil fuels being burned — can reduce air pollution so significantly and so quickly. 

If anything good comes out of the coronavirus, perhaps it will be people realizing the value of protecting humanity and our planet. 

The best way to prevent contracting or spreading coronavirus is with thorough hand washing and social distancing. If you feel you may be experiencing symptoms of coronavirus, which include persistent cough (usually dry), fever, shortness of breath, and fatigue, please call your doctor before going to get tested. For comprehensive resources and updates, visit the CDC website. If you are experiencing anxiety about the virus, seek out mental health support from your provider or visit NAMI.org.

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