cnn_news on Nostr: These were the best and worst places for air quality in 2021, new report shows ...
These were the best and worst places for air quality in 2021, new report shows
https://www.cnn.com/2022/03/22/world/air-pollution-2021-iqair-report-climate/index.html
https://www.cnn.com/2022/03/22/world/air-pollution-2021-iqair-report-climate/index.html