Grasslands occupy about half of the emerged ice free world, make up approximately 70 percent of the world
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/grasslands-enabling-their-potential-contribute-greenhouse-gas-mitigation
[2] http://admin.indiaenvironmentportal.org.in/category/publisher/fao
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/grasslands
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-sequestration