Although I'm sure many of us have heard the phrase "ice age," what exactly does that mean? Is it true we're in an ice age right now? Today we're exploring questions like these to better understand this climatic phenomenon.
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Some links:
https://en.wikipedia.org/wiki/Geological_history_of_oxygen#/media/File:Oxygenation-atm-2.svg
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1578726/
https://www.britannica.com/science/Cryogenian-Period
https://newatlas.com/fossil-fats-snowball-earth/58292/
https://opentextbc.ca/geology/chapter/5-2-chemical-weathering/
http://itc.gsw.edu/faculty/bcarter/physgeol/weather/chemwth2.htm
http://academic.emporia.edu/aberjame/ice/labs/lab03.htm
https://en.wikipedia.org/wiki/Quaternary_glaciation#/media/File:Vostok_Petit_data.svg
https://en.wikipedia.org/wiki/Quaternary_glaciation#/media/File:Milankovitch_Variations.png
https://i.redd.it/g1s96i1sznt01.jpg
https://www.pnas.org/content/112/27/8232
https://darchive.mblwhoilibrary.org/bitstream/handle/1912/2272/Naturegeosciences.pdf;jsessionid=66F4332BEB6056CD58019C0BC996B9E9?sequence=1
https://www.nature.com/articles/ngeo2931