The Earth is known to be able to restore its temperature equilibrium after a period of natural warming.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/greenhouse-gases-fuelling-long-term-global-warming
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts