The earth's climate has seen many changes in its 4.55 billion years.

Credits

Image: Climate Change by Gareth Thompson

Information sourced from:

DC Bureau (2015), The Expanding Sahara: Deforestation in Morocco [online], Available from: http://www.dcbureau.org/201305138562/bulldog-blog/the-expanding-sahara-deforestation-in-morocco.html [accessed 29/05/2015].

Carbon Footprint (2014), Climate Change, What will happen if we do nothing? [online], Available from:  
http://www.carbonfootprint.com/warming.html [accessed 29/05/2015].

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