Sources:
https://mastergardener.extension.wisc.edu/files/2015/12/Coffea.pdf
https://plants.ces.ncsu.edu/plants/coffea-arabica/
https://sprudge.com/what-is-the-coffee-belt-179028.html
Uncommon Grounds by Mark Pendergast
https://www.statista.com/statistics/263311/worldwide-production-of-coffee/
https://www.betterhealth.vic.gov.au/health/healthyliving/caffeine
https://www.ers.usda.gov/amber-waves/2007/june/coffee-consumption-over-the-last-century/