Coffee is one of the world's most important primary commodities. With over 500 billion cups consumed every year, coffee is one of the world's most popular beverages, comprising about a third of tap water consumption.
The two most important species of coffee economically are Coffea arabica (Arabica coffee) - which accounts for over 70% of world production - and Coffea canephora (Robusta coffee).
|Time from flower
to ripe cherry
|Coffee berry disease
|Caffeine content of beans
|Shape of bean
Many things can be said about coffee. Here are just a few: