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"The theory of Milankovitch cycles states that periodic changes in Earth’s orbit cause increased summertime [[sun radiation]] in the northern hemisphere." [http://www.eurekalert.org/pub_releases/2007-09/uosc-cdd092507.php]
"The theory of Milankovitch cycles states that periodic changes in Earth’s orbit cause increased summertime [[sun radiation]] in the northern hemisphere." [http://www.eurekalert.org/pub_releases/2007-09/uosc-cdd092507.php]
[[Category:Global Warming]]