We all know that statues in the cities are green, like for example the statue of liberty. But do you all know why they are green? This episode looks at this question. I can now be reached on twitter under @ChemistryinEve1 , if you have feedback that you would like to share. Alternatively, you can send an email to [email protected] . Sources https://copperalliance.org.uk/knowledge-base/education/education-resources/copper-reactivity-patination/ https://en.wikipedia.org/wiki/Bronze https://en.wikipedia.org/wiki/Brass https://en.wikipedia.org/wiki/Atmosphere_of_Earth https://en.wikipedia.org/wiki/Great_Oxidation_Event https://www.thoughtco.com/why-statue-of-liberty-is-green-4114936 https://www.thoughtco.com/oxidation-reduction-reactions-604037 https://sciencestruck.com/why-does-copper-oxidize-turn-green https://sciencing.com/effects-oxidation-copper-8613905.html General Chemistry by D. D. Ebbing 5th Ed. 1996 ISBN 0-395-74415-6 https://en.wikipedia.org/wiki/Copper(I)_oxide https://en.wikipedia.org/wiki/Basic_copper_carbonate