Air pollution is not only injurious to human health, but also to plant life.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ozone-pollution-can-damage-wheat-crop
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-line-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wheat
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crops
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere-and-ozone-layer