A new study published in Climate Dynamics has found that humans are responsible for virtually all of the observed global warming since the mid-20th century.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/study-humans-have-caused-all-global-warming-1950
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/guardian-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/aerosols
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ipcc