Global Study Maps the “Carbon Footprint” of Latin American Coffee

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A comprehensive international study released in March 2026 has revealed a sharp disparity in the carbon footprint of coffee production across five major Latin American nations. This landmark report establishes the first precise scientific baseline—using primary data collected directly from farms—to address climate change challenges within the global coffee sector.

The study, conducted by Conservation International in collaboration with the Sustainable Coffee Challenge and Meo Carbon Solutions, analyzed supply chains in Brazil, Colombia, Honduras, Mexico, and Peru. The findings provide a “wake-up call” for the industry, highlighting how specific farming practices, particularly fertilization and waste management, dictate environmental impact.

  • The Emission Gap: Colombia Leads while Mexico Sets a Benchmark

Detailed data shows that coffee production in Colombia generates the highest greenhouse gas emission intensity, averaging 5.59 kg of carbon dioxide equivalent (CO2-eq) per kilogram of green coffee. Honduras followed with 4.87 kg. In Brazil, the results varied by variety, with Arabica recording 3.22 kg compared to 2.51 kg for Robusta.

Conversely, Mexico emerged as the country with the lowest emissions in the study group, averaging just 1.46 kg. Experts attribute this lower footprint to specific traditional farming practices, including greater reliance on natural shade and organic soil health.

  • Fertilizers: The Primary Climate Culprit

According to the extensive technical report, the most significant “hotspot” for emissions in Latin American coffee is fertilizer and nutrient application. In Colombia and Brazil, fertilization accounts for approximately 60% of the total carbon footprint. This is primarily due to the heavy use of nitrogen-based inputs, which release potent greenhouse gases when interacting with the soil.

In other regions, the drivers differ. In Peru, “crop residues” and unmanaged organic decomposition were identified as the primary sources of emissions. Meanwhile, in Honduras, the traditional wet processing of coffee cherries—specifically the management of wastewater at the farm level—contributes significantly to the national baseline.

  • A “Pre-Competitive” Global Alliance

The study is the result of an unprecedented “pre-competitive” alliance involving major global coffee brands, roasters, and suppliers. Giants such as Nestlé, Starbucks, and JDE Peet’s contributed by sharing primary data and technical oversight to harmonize carbon accounting standards across the industry.

This collaboration aims to empower stakeholders to direct investments toward “regenerative agriculture.” These practices focus on reducing chemical dependency, improving on-farm waste management, and enhancing the soil’s ability to sequester carbon rather than release it.

  • A Roadmap for Investors and Farmers

The report concludes with actionable recommendations, stressing that reducing the carbon footprint is no longer just an environmental goal but a commercial necessity. As international environmental regulations tighten, understanding these baselines is essential for maintaining global market access.

The findings confirm that transitioning to integrated nutrient management, improving water efficiency, and recycling coffee by-products into natural fertilizers are the most effective ways to bridge the carbon gap revealed in countries like Colombia and Honduras.

Coffee Processing Methods in the Americas

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Understanding how coffee is processed at origin is essential for buyers, roasters, and importers. While traditional classifications—washed, natural, and honey—still dominate the conversation, the reality is far more nuanced. From mechanized harvesting in Brazil to cooperative-led processing in Peru, each producing country has developed its own post-harvest practices.

This guide breaks down the dominant coffee processing methods across key producing countries in the Americas, drawing on insights from our producer network.

Coffee processing directly affects flavor profile, cup quality, shelf life, pricing, sustainability, and water usage. For green coffee buyers, understanding origin-specific practices is crucial for sourcing the right profiles, managing risk, and building transparent supply chains.

  • Brazil: Mechanized Natural Processing at Scale

Brazil leads the world in natural coffee processing due to its scale and mechanization. Harvesting is largely mechanized, using either large machines that shake entire trees or pole-mounted vibrating devices that target individual branches—sometimes still referred to as manual despite their mechanical nature.

A notable feature is the use of “floaters,” cherries that have partially or fully dried on the tree. These often contribute to desirable cup profiles rather than reflecting poor maturation.

After harvest, coffee is initially dried on patios. Once moisture falls below ~20%, mechanical dryers complete the process efficiently. Dry milling is often done on-farm, with a final cleaning stage handled by exporters. Green coffee is typically rested in wooden silos before shipment.

Dominant Process: Natural (60–70%)
Harvesting: Mechanized (machines or vibrating poles)
Drying: Patios + mechanical dryers
Post-Harvest: Dry milling on-farm; beans rested in wooden silos

  • Colombia: Washed Coffee with Infrastructure Support

Over 95% of Colombian coffee is processed using the washed method, despite a reputation for experimental naturals. Cherries are handpicked selectively, often requiring multiple passes. After pulping, beans are fermented in tanks and dried on patios, raised beds, or mechanical dryers.

Centralized collection centers help maintain quality, receiving coffee in wet, semi-wet, or dried states, each priced accordingly. When drying space is limited, submerging parchment in water preserves quality. These systems, guided by the Colombian Coffee Growers Federation (FNC), ensure consistent, high-quality washed coffees.

Dominant Process: Washed
Harvesting: Manual, selective picking
Drying: Patios, raised beds, vertical dryers (guardiolas)

  • Costa Rica: Washed with Innovation

Approximately 94% of Costa Rican coffee is washed. Cherries are manually picked and delivered to roadside collection points, where wet and dry processing occurs.

Many cooperatives use centrifugal demucilagers, reducing water usage and fermentation defects. Drying occurs on patios, raised beds, or mechanical dryers. Costa Rica also experiments with eco-efficient honey processes (white, yellow, red, and black).

Dominant Process: Washed
Innovation: Centrifugal demucilagers reduce water use
Drying: Patios, raised beds, mechanical dryers
Collection: Cherries delivered to collection centers

  • El Salvador: Traditional Washed with Growing Diversity

Washed processing accounts for ~80% of production, with cherries pulped, fermented, and dried on patios or guardiolas. Natural and honey methods each represent ~10%, catering to specialty buyers seeking unique profiles.

Dominant Process: Washed
Drying: Patios and increasing use of guardiolas
Other Methods: 10% natural, 10% honey

  • Guatemala: High-Altitude Washed Coffees

Guatemala primarily produces washed coffee (85–99%). Cherries are pulped, fermented, and dried on patios or rooftops to maximize sun exposure. Honey and natural processes are growing among specialty producers. Mechanical drying is increasingly used in regions with unpredictable weather.

Dominant Process: Washed
Drying: Patios, rooftops
Other Methods: 5–15% honey, 0.5–5% natural

  • Honduras: Cooperative-Driven Washed Production

Honduras favors washed processing, with most coffee handled on-farm and parchment delivered to cooperatives. Some mills experiment with cherry color sorting and centralized reception, but traditional methods prevail. Cooperatives play a key role in quality and market access for smallholders.

Dominant Process: Washed
Processing: On-farm; parchment sent to cooperatives
Innovation: Emerging cherry color sorting
Other Methods: 3% natural, 10–15% honey

  • Mexico: Washed Simplicity

Mexico relies on washed processing, with manual harvesting and patio drying. Practices vary by region, and isolated approaches could benefit from collaborative methods. Increasing Canephora cultivation may impact processing norms.

Dominant Process: Washed
Processing: Mostly on-farm, inherited practices
Drying: Patios

  • Nicaragua: Washed

Washed processing dominates (~97%), with cherries processed on-farm and parchment delivered to central mills. Water channels are used for density sorting, cleaning, and transport. Drying occurs on patios, raised beds, or guardiolas. Honey and natural processes exist but are marginal.

Dominant Process: Washed
Drying: Patios, raised beds, guardiolas
Operations: Water channels for cleaning and sorting

  • Peru: Cooperative-Led Washed Processing

Peru is overwhelmingly washed, with tank fermentation and sun-drying. Drying occurs on patios, lofts, raised beds, or parabolic dryers at cooperative stations. Natural and honey methods are rare but emerging.

Dominant Process: Washed
Fermentation: Tank-based
Drying: Patios, lofts, raised beds, parabolic dryers

  • Key Takeaways for Coffee Buyers
  • Washed processing dominates Latin America; Brazil is the main exception with natural processing.

  • Infrastructure and cooperatives play a crucial role in maintaining quality and consistency.

  • Innovation is rising, particularly in Costa Rica and Colombia, with eco-friendly and hybrid methods.

  • Understanding local practices is key for sourcing, pricing, and building traceable supply chains.

World of Coffee and World Brewers Cup Head to Bogotá, Colombia in 2027

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The Specialty Coffee Association (SCA) has officially announced that World of Coffee Bogotá 2027 will take place in Colombia’s vibrant capital city from September 30 to October 2, 2027, hosting the prestigious World Brewers Cup competition.

The announcement was made during the first round of the 2025 World Barista Championship at HostMilano, where SCA CEO Yannis Apostolopoulos and Federación Nacional de Cafeteros de Colombia (FNC) CEO Germán Alberto Bahamón Jaramillo jointly revealed the exciting news.

Strengthening the SCA–FNC Partnership

This milestone event marks a new chapter in the collaboration between the SCA and FNC. Both organizations are joining forces to bring together the world’s top coffee professionals and competitors in one of the globe’s most dynamic coffee-producing nations. Their partnership recently deepened through a Memorandum of Understanding (MoU) focused on integrating the SCA’s Coffee Value Assessment methodology into the FNC’s national coffee quality processes.

A Return to Latin America’s Coffee Heartland

World of Coffee Bogotá 2027 follows World of Coffee Panama 2026, which will feature the World Barista Championship. Bogotá’s selection continues the SCA’s commitment to hosting world-class coffee events in producing countries, strengthening ties between origin and the global specialty coffee community.

The 2027 edition will also celebrate the return of a World Coffee Championship to Colombia after sixteen years — the last being the 2011 World Barista Championship held in Bogotá. This return underscores Colombia’s enduring importance to the global coffee industry and its role as a leader in quality, innovation, and sustainability.

A Global Gathering for Coffee Professionals

World of Coffee Bogotá 2027 will welcome exhibitors, sponsors, and attendees from every segment of the specialty coffee value chain. Visitors will be able to experience live World Brewers Cup performances, attend professional sessions, and engage with leading experts in coffee innovation and trade.

World of Coffee and World Brewers Cup to Take Place in Bogotá, Colombia in 2027

Additional details regarding exhibitor registration, speaking opportunities, and program highlights will be released in the coming months on the official SCA and World Coffee Championships platforms.