Apart from global warming, another factor that aggravates the melting of glaciers in the Third Pole is air pollution. China and India are among the worst-ranked countries in air pollution.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/northern-india-contributes-shrinking-glaciers-third-pole-claims-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/glacial-melt
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/himalaya
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/antarctica
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change