STiR coffee and tea magazine

12 STiR coffee and tea | 2025 Issue 1 Spring (Mar/Apr/May) Brewing Sustainability: Nespresso Improves Coffee Farming with Biochar In the realm of sustainability, the food sector stands out for its unique abil- ity to drive rapid change. Within this sector, one brand is pushing boundar- ies: Nespresso. Supported by the largest sustainability team within Nestle – a dedicated group of 20 experts—the company is racing toward the ambitious goal of achieving carbon neutrality by 2035. But Nespresso's latest efforts go beyond climate awareness and into the realm of smart climate action, focusing on innovation at the farm level. Margot Rosse, Nespresso's sustainability and innovation manager, shares that she is currently leading two groundbreaking projects: one buzzing with honeybees (Apis mellifera), linking pollinators to coffee and honey production, and another rooted in the transformative potential of biochar. The latter – a humble, blackened remnant of organic matter – holds the potential to revolu- tionize coffee farming and agriculture in tropical regions. The Leap of Faith: Betting on Biochar Biochar's benefits are well-known but not yet fully quantified for coffee pro- duction. It's a complex material with the ability to improve soil fertility, retain water, reduce the need for synthetic fertilizers, and offset carbon emissions. Its potential is particularly significant in acidic soils. However, its commercial use is still in its infancy, often limited by unproven closed-loop business mod- els. For Nespresso, this uncertainty didn't deter action – it inspired it. After reviewing the evidence, Nespresso's sustainability team found enough positive indications to take a calculated risk. According to Rosse, there wasn't time to wait decades for academic validation. Instead, the com- pany launched a series of pilots to test biochar's potential on AAA Nespresso coffee supplier farms. The objective? To evaluate biochar's capacity to boost productivity, lower coffee production's carbon footprint, and deliver tangible benefits to farmers. The initiative also aims to support resilient agriculture, enhancing farming systems' ability to adapt to climate challenges while improving soil health and long-term productivity. Three Pilots, One Vision Nespresso's biochar pilots are a testament to diverse approaches. One pilot partners with NetZero, a biochar production factory. Another collaborates with DSS, a company that provides portable pyrolizers, allowing farmers to convert agricultural waste into biochar on-site. The third pilot involves distributing pre-produced biochar directly to coffee farms. These initiatives span 60 exceptional producer farms, all part of Nespresso's AAA Sustainable Quality TM program. These farms were chosen not only for their exemplary practices but also for their owners' leadership. By targeting influential producers, Nespresso aims to create ripple effects across farming communities, showcasing biochar's viability and inspiring broader adoption. Yet, scalability remains a challenge. As with many biochar projects in Latin America, achiev- ing economic viability – ensuring biochar is acces- sible and sustainable for farmers – is still a work in progress. However, if successful, these models could be adapted and implemented in diverse re- gions, tailored to meet varying agricultural needs. Why Brazil? A Perfect Testing Ground Brazil was the natural starting point for these trials. Its acidic soils, often low in nutrients, provide an ideal environment for testing biochar's effective- ness. With its high carbon content, biochar can lower soil acidity and replenish fertility (if properly charged), offering a sustainable alternative to high- synthesis fertilizer inputs. The early results are promising. Farmers us- ing biochar report improved soil health, reduced dependency on synthetic fertilizers, and enhanced water retention. However, the journey is far from over, with many variables to test and refine. Closing the Loop on Coffee Farming Nespresso's biochar pilots are about more than just farming; they represent a reimagining of the entire coffee value chain from the base up. By integrating biochar into production, the compa- ny explores how farmers can lower their carbon footprint, improve soil health, and reduce costs through efficient resource use. However, challenges remain. The cost-effec- tiveness of biochar is still under evaluation, and scaling its application across thousands of coffee farms will require significant investment and col- laboration with other value-chain stakeholders. But if these pilots succeed, they could pave the way for a transformative model – where coffee production mitigates its environmental impact and actively restores the land it relies on. What's Next? For now, the pilots remain small in scale, but their potential impact is enormous. If successful, they could serve as a blueprint for transitioning sustain- able practices like biochar from niche experiments to global solutions in coffee production. By Emilio Bonnet Nespresso is assessing biochar's ability to improve soil fertility on coffee farms in Brazil. Coffee Report

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