Levels of the greenhouse gas nitrous oxide have increased since pre-industrial times, mainly because of agricultural activities. Among these changes it has been reported that livestock grazing substantially increases nitrous oxide emissions from temperate grasslands.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/grazing-induced-reduction-natural-nitrous-oxide-release-continental-steppe
[2] http://admin.indiaenvironmentportal.org.in/category/author/benjamin-wolf
[3] http://admin.indiaenvironmentportal.org.in/category/author/xunhua-zheng
[4] http://admin.indiaenvironmentportal.org.in/category/author/nicolas-bruggemann-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/grasslands
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/grazing-lands
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/livestock
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oxides-nitrogen-nox
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-science
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mongolia