This GIF shows you the world’s worst air pollution hot spots
This map�shows you nitrogen dioxide emissions hot spots around the globe, with the highest levels of NO2 displayed as white patches.
- This map shows you nitrogen dioxide emissions hot spots around the globe, with the highest levels of NO 2 displayed as white patches.
- The culprit: Nitrogen dioxide emissions come from fossil fuels being burned.
- The highest concentrations: In this composite, they’re mostly in big cities like Moscow, Beijing, Lima, Jakarta, and Mexico City, geographer Tim Wallace explains .