Changes

Although people today talk about [[climate change]] as if it were entirely man-made, this is not the complete picture. It is quite certain that climate has always been changing on [[Earth]]. Man-made changes are on top of changes which occur naturally. The [[Milankovich cycle]] is an important factor in these changes, and there are also changes in the heat put out by the [[Sun]].<ref>Powell, Alvin 2003. Sun's warming is global: CfA lecture links solar activity and climate change. ''Harvard University Gazette''. [https://web.archive.org/web/20061014045518/http://www.news.harvard.edu/gazette/2003/04.24/04-sun.html]</ref>

Although people today talk about [[climate change]] as if it were entirely man-made, this is not the complete picture. It is quite certain that climate has always been changing on [[Earth]]. Man-made changes are on top of changes which occur naturally. The [[Milankovich cycle]] is an important factor in these changes, and there are also changes in the heat put out by the [[Sun]].<ref>Powell, Alvin 2003. Sun's warming is global: CfA lecture links solar activity and climate change. ''Harvard University Gazette''. [https://web.archive.org/web/20061014045518/http://www.news.harvard.edu/gazette/2003/04.24/04-sun.html]</ref>

== Related pages ==

== Related pages ==

*[[Orbital forcing]]

*[[Orbital forcing]]

*[[Little Ice Age]]

*[[Little Ice Age]]

*[[Global warming]]

*[[Global warming]]

== References ==

== References ==

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