Bring the data from the different parts of the world of pollution decrease during the lockdown, and draw a double bar graph for comparison of data of pollution in the past.
Answers
Answer:
March is the start of spring season in India – when most cities, especially in the north, experience good air quality. A scene near Nizamuddin, New Delhi. Photo: VED/Unsplash.
The year 2020 started off on the wrong foot, thanks to the new coronavirus virtually shutting down the world. India also took some necessary precautions, one of them in the form of a nationwide lockdown that Prime Minister Narendra Modi kicked off on March 24 for 21 days, and which was recently extended to May 3. For a country whose cities are so dense and always teeming with activity, the lockdown has presented sights both eerie and beautiful. In Jalandhar, for example, people could see the Dhauladhar mountain range of Himachal Pradesh, 250 km away, for the first time in 30 years.
People have had to stay indoors, factories have shut and daily-wage labourers have had to reverse-migrate to rural areas. Supply chains have faltered; for the first time in history, the Indian railways stopped operations around the country. This is unprecedented – and an opportunity for us to take a closer look at how air pollution levels have responded to this situation and what we can learn for the future.