The technical core of the argument rests on a systematic comparison of public financial flows. Between 2013 and 2025, the authors report, more than 90 percent of Brazilian rural credit went to medium- and large-scale producers, while less than 10 percent reached smallholders through programs such as the National Program for Strengthening Family Farming, known as PRONAF. In the 2024/2025 agricultural year alone, roughly US$148.75 billion was allocated to large-scale producers, compared with just US$15.32 billion for family farming. The disparity becomes even sharper when the analysis narrows to socio-environmental credit lines covering agroecology, bioeconomy, and forestry: in the 2023/2024 agricultural year, these lines accounted for a mere 4.3 percent of PRONAF’s total credit volume and only 0.4 percent of all agricultural credit in the country.

The asymmetry extends well beyond credit markets. Public investment in research and development has consistently prioritized commodity supply chains, with Brazil’s public research institutions concentrating on productivity gains for large-scale agricultural value chains rather than on the diverse products of the standing forest. Infrastructure spending follows the same logic, focused on export logistics such as railways, ports, and waterways that move soy, beef, and grain to international markets. Under the New Growth Acceleration Program launched in 2023, the authors calculate that US$13.29 billion has been directed toward transport infrastructure oriented to commodity flows, with no provisions for supporting traditional territories or sociobiodiversity value chains.

Research funding tells a parallel story. The Brazilian Agricultural Research Corporation, EMBRAPA, which primarily serves commodity production, received US$951.85 million in 2024. By contrast, the National Agency for Technical Assistance and Rural Extension, ANATER, which supports family farmers, received just US$14.22 million in the same period, equivalent to only 1.5 percent of EMBRAPA’s budget. For the authors, these figures reveal a political economy in which the institutions and sectors with the greatest capacity to shape land use are those most heavily subsidized, while the forest-compatible alternatives that could anchor a low-carbon rural economy are left to rely on international cooperation and civil society organizations.

The environmental consequences of this configuration are quantifiable and severe. According to the Brazilian Greenhouse Gas Emission Estimation System, agribusiness directly accounted for 27.5 percent of Brazil’s greenhouse gas emissions in 2023, while land-use change driven by agricultural expansion contributed an additional 46.2 percent. Together, that means more than 70 percent of the country’s national emissions trace back to the sectors that receive the bulk of public support. The authors describe this as the central contradiction of Brazilian development policy: the activities most heavily financed by the state are also those most responsible for environmental degradation, creating a feedback loop in which public money reinforces the very pathway the country’s climate commitments require it to abandon.

Against this model, which the authors label a high-carbon configuration in their schematic analysis, they contrast an alternative built on what they call sociobiodiversity: economies rooted in low-carbon production, traditional knowledge, community governance, and the sustainable use of biodiversity. Across the Amazon, community-led initiatives ranging from agroforestry systems to managed fisheries have demonstrated the capacity to reconcile conservation with income generation. Previous research cited in the article, including studies of sustainable-use protected areas and community-based fisheries management, has shown that these arrangements can catalyze enhanced livelihoods while exerting a substantial protective footprint over forested landscapes. The authors argue that these models combine conservation, regeneration, and governance in ways that commodity production cannot.

Yet the sociobioeconomy remains what the authors describe as potential without scale. Its expansion is constrained by a familiar set of structural barriers: limited access to credit, inadequate infrastructure, weak market integration, the absence of payments for ecosystem services, and insufficient policy support. Even targeted programs for family farming allocate only a small fraction of resources to biodiversity-based production. As a result, sociobioeconomy initiatives often operate under conditions of financial precarity, depending on underpaid labor or the support of nonprofit organizations. This precariousness, the authors warn, undermines long-term viability, discourages the engagement of younger generations, and generates what they term social and ecological fatigue in the communities that sustain the forest. The problem, they emphasize, is not the absence of viable alternatives but the lack of sustained investment and institutional support to enable their growth.

The timing of the analysis is significant. The United Nations Climate Change Conference, COP30, held in Belém in November 2025, elevated forests, adaptation, and climate finance on the global agenda, and the approval of the Tropical Forest Forever Facility reflected growing international recognition that standing forests require long-term economic incentives. The facility, with projected returns of US$3 to 4 billion per year, could provide modest but stable support to forest-dependent communities. However, the authors caution that COP30’s outcomes were largely political statements rather than structural changes, and that the projected TFFF returns remain small compared with the domestic subsidies that continue to expand agricultural frontiers. They conclude that the facility should be understood as complementary to, rather than a substitute for, a fundamental rebalancing of national priorities.

What would that rebalancing look like in practice? The authors argue that a transition toward a low-carbon sociobioeconomy requires political and financial commitments comparable to those enjoyed by agribusiness. This includes redirecting public credit toward biodiversity-based production, investing in infrastructure adapted to forest territories rather than export corridors, expanding technical assistance for small producers and extractive communities, and strengthening community-based governance. Equally important, they stress, is the question of political representation. Decision-making power in Brazil’s Congress, which approves the federal budget and enacts and amends the laws governing land use, remains skewed toward sectors with strong economic influence. Currently, 63 percent of federal deputies, 324 of 513 members, are affiliated with the Agribusiness Parliamentary Front, while only four representatives are Indigenous.

The authors close with a pointed reframing of the Amazon debate. Sociobioeconomy initiatives, they argue, are already delivering evidence on the ground that it is possible to combine biodiversity conservation, climate mitigation and adaptation, Indigenous rights, and local socioeconomic development. The region does not lack solutions; it lacks the political conditions and policy support to scale them up. The future of the Amazon, they contend, will be shaped not by global discourse but by national and local choices, and transforming the region’s development model requires moving beyond the symbolic recognition of forest-based economies toward their effective material support. Only when benefits, decision-making power, and opportunities are equitably distributed among the Indigenous Peoples, traditional communities, and local populations who sustain these territories, they conclude, can Brazil reconcile economic development with social justice, the protection of sociobiodiversity, and climate stability, positioning the sociobioeconomy as a central pillar of an inclusive, low-carbon national development strategy.

Subject of Research: Rebalancing public investment from Amazon commodity agribusiness toward community-based sociobiodiversity economies

Article Title: From Commodities to Communities: Rebalancing public investment in the Amazon sociobiodiversity

Article References: Paes, M. X., Campos-Silva, J., Vieira, L. M., & Puppim de Oliveira, J. A. (2026). From Commodities to Communities: Rebalancing public investment in the Amazon sociobiodiversity. PLOS Climate, 5(8), e0001029. https://doi.org/10.1371/journal.pclm.0001029

Image Credits: AI Generated

DOI: 10.1371/journal.pclm.0001029

Keywords: Amazon, sociobiodiversity, bioeconomy, Brazil, rural credit, deforestation, agribusiness, climate finance, COP30, Indigenous peoples, community governance, tropical forests