What Is Coffee and Where Does It Come From?
Coffee is a beverage made from the roasted seeds (coffee
beans) of plants in the genus Coffea, which belongs to the Rubiaceae
family. The two most widely cultivated species are:
- Coffea
arabica (Arabica coffee) – valued for its smooth flavor and aroma
- Coffea
canephora (Robusta coffee) – known for higher caffeine content and
hardiness
Coffee plants are evergreen shrubs or small trees
that naturally grow in tropical environments. The coffee bean itself is the
seed found inside the fruit, commonly called a coffee cherry.
The natural origin of coffee is traced to tropical Africa,
where wild coffee plants evolved in forest ecosystems.
Who First Discovered Coffee?
According to historical tradition, coffee was first
discovered in Ethiopia, in East Africa, around the 9th century.
Legend tells of a goat herder named Kaldi, who
noticed his goats became unusually energetic after eating red berries from a
certain shrub. Curious, he shared his observation with local monks, who later
prepared a drink from the beans and found it helped them stay awake during long
hours of prayer.
While the story of Kaldi is symbolic rather than
scientifically proven, Ethiopia is widely recognized as the birthplace of
coffee, supported by the presence of wild Coffea arabica forests in
the region.
From Ethiopia, coffee spread to:
- Yemen,
where it was first cultivated and traded
- The Arab
world, then Europe
- Eventually
the Americas, Asia, and Africa, becoming a global commodity
Where Is Coffee Grown the Most on Earth?
Today, coffee is grown in more than 70 tropical and
subtropical countries, primarily along the Coffee Belt, a region
between the Tropic of Cancer and the Tropic of Capricorn.
The world’s leading coffee-producing regions include:
Major Coffee-Producing Countries
- Brazil
– the largest coffee producer globally
- Vietnam
– the leading producer of Robusta coffee
- Colombia
– famous for high-quality Arabica coffee
- Ethiopia
– the genetic homeland of Arabica coffee
- Indonesia
– diverse coffee landscapes and varieties
Other important producers include Honduras, India, Uganda,
and Peru.
Coffee thrives in:
- Warm
temperatures
- Well-drained
soils
- Moderate
rainfall
- Mid-
to high-altitude environments (especially for Arabica)
Benefits of Coffee in the Earth’s Ecosystem
Beyond its economic and cultural importance, coffee plays a
significant role in ecological systems, especially when grown
sustainably.
1. Forest Conservation Through Shade-Grown Coffee
Traditional shade-grown coffee systems mimic natural
forests by growing coffee beneath tree canopies. These systems:
- Support
birds, insects, and mammals
- Preserve
forest structure
- Reduce
deforestation pressure
2. Biodiversity Support
Coffee farms—particularly diversified ones—can provide
habitat for:
- Pollinators
such as bees and butterflies
- Birds
that control pests
- Soil
organisms essential for nutrient cycling
In some regions, shade coffee farms support nearly as
much biodiversity as natural forests.
3. Soil Health and Erosion Control
Coffee plants:
- Help stabilize
soil on slopes
- Reduce
erosion in hilly landscapes
- Improve
soil organic matter through leaf litter
4. Carbon Sequestration
Shade trees and coffee plants absorb carbon dioxide,
contributing to climate change mitigation, especially in agroforestry
systems.
5. Sustainable Livelihoods and Human–Nature Balance
Coffee supports the livelihoods of millions of
smallholder farmers, encouraging long-term stewardship of land when
sustainable practices are used.
Conclusion
Coffee is far more than a popular beverage—it is a plant
with deep historical roots, global agricultural significance, and meaningful
ecological value. Originating in the forests of Ethiopia, coffee has shaped
cultures, economies, and landscapes worldwide. When grown responsibly, coffee
contributes to biodiversity conservation, soil health, climate resilience,
and sustainable human livelihoods, making it an important ally in balancing
development with environmental protection.
References
- Royal
Botanic Gardens, Kew.
Coffea arabica and Coffea canephora.
Plants of the World Online (POWO).
Royal Botanic Gardens, Kew. - Meyer,
R. S., et al. (2012).
A single domestication for the origin of cultivated coffee inferred from microsatellite markers.
Proceedings of the National Academy of Sciences (PNAS). - Davis,
A. P., Tosh, J., Ruch, N., & Fay, M. F. (2011).
Growing coffee: Psilanthus (Rubiaceae) subsumed under Coffea.
Botanical Journal of the Linnean Society. - Anthony,
F., et al. (2002).
The origin of cultivated Coffea arabica L. varieties revealed by AFLP and SSR markers.
Theoretical and Applied Genetics. - Perfecto,
I., Vandermeer, J., Mas, A., & Soto Pinto, L. (2005).
Biodiversity, yield, and shade coffee certification.
Ecological Economics. - Jha,
S., et al. (2014).
Shade coffee: Update on a disappearing refuge for biodiversity.
BioScience. - Bunn,
C., Läderach, P., Ovalle Rivera, O., & Kirschke, D. (2015).
A bitter cup: Climate change profile of global production of Arabica and Robusta coffee.
Climatic Change. - Vaast,
P., & Somarriba, E. (2014).
Trade-offs between crop intensification and ecosystem services: The role of agroforestry in coffee systems.
Agroforestry Systems. - FAO
(Food and Agriculture Organization of the United Nations).
Coffee production and climate change.
FAO Agricultural Reports. - Rainforest
Alliance.
Coffee and climate: How sustainable farming protects forests and biodiversity.
Rainforest Alliance Publications.


