Cleaner Air – level 2
Scientists recorded less air pollution and more animal activity than is usual at this time of year. Images from space satellites show lower levels of nitrogen dioxide, which is a dangerous gas that pollutes the air.
Cars and farm animals make nitrogen dioxide, and now, many people stay at home because of the coronavirus. This is the reason why there is less nitrogen dioxide in the air.
Scientists recorded more than 30% less nitrogen dioxide in the area between Washington and Boston, and more than 45% less nitrogen dioxide in Madrid, Milan, Rome, and Paris.
Animals are starting to come closer to people´s homes, and they roam empty streets and waterways. People could see kangaroos in city streets in Australia, and wild goats came to the center of a town in Wales.
You can watch the original video in the Level 3 section.
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