The world has a dust problem. There is more of it than there used to be. Apparently, the amount of airborne dust doubled in the 20th century, according to a recent scientific paper in the journal Atmospheric Chemistry and Physics. The claim sounds outlandish. The amount of dust in the world—like the amount of sin or acne—must be a constant.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/speck-speck-dust-piles
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-use
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chulhas-cookstoves
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/california
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/spm