As temperatures rise on our planet, greenhouse gases are mostly to blame.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/solar-activity-impacts-polar-ozone-and-may-influence-climate
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/science-world-report
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere-and-ozone-layer
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer