Early human migration out of Africa was driven by climate change induced by variations in the Earth's rotation, scientists have said.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/climate-change-drove-early-humans-out-africa-over-125000-years
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/international-business-times
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/migration
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide