Deforestation and Development in Brazil – The BR-319 Dilemma Before COP30

Encroachment on Amazon's green belt

4/16/20253 min read

worm's-eye view photography of concrete building
worm's-eye view photography of concrete building

Brazil finds itself, once again, at the crossroads of ambition and anxiety. As COP30 in Belém looms on the horizon, the eyes of the world turn to the Amazon. Not merely as a carbon sink or symbol of biodiversity, but as the heart of Brazil’s developmental paradox. The BR-319 highway, a planned reconstruction linking Manaus to Porto Velho through the dense Amazon rainforest, has become emblematic of this tension.

This brief aims not to indict Brazil or the upcoming climate negotiations, but to examine the real complexities on the ground—where infrastructure, sovereignty, and ecology do not easily reconcile. The future of BR-319 may well shape the tone, if not the content, of COP30.

The BR-319 Project: A Road to Progress?

First opened in the 1970s and abandoned in the 1980s due to poor maintenance and flooding, BR-319 has resurfaced as a national development priority. The highway promises improved logistics, cheaper transport of goods, and better integration of the Amazon with the rest of Brazil. Manaus, with its free trade zone and strategic position, has lobbied hard for its resurrection.

According to Brazil’s Ministry of Infrastructure, the road is expected to:

  • Reduce freight costs from Manaus to southern Brazil by over 25%.

  • Improve access to healthcare and education for over 1 million people in remote communities.

  • Stimulate local economies along the route.

But this comes at a potential environmental cost.

The National Institute for Space Research (INPE) and Imazon, a leading NGO, estimate that full paving and use of BR-319 could lead to an additional 170,000 square kilometers of deforestation by 2050.

This is not mere speculation. A study published in Nature Communications in 2022 showed that roads are the single strongest predictor of future forest loss in the Brazilian Amazon.

Satellite data shows deforestation hotspots clustering along existing roads. The fear is not the road per se, but the domino effect: land speculation, illegal logging, and unregulated migration.

It would be misleading to view this as an exclusively environmental problem. For the communities along BR-319, the highway is seen as a lifeline.

The People of the Forest: Stakeholders Beyond the Binary

Brazil’s indigenous and traditional communities are not a monolith. Some, such as the Apurinã and Paumari, have expressed concerns over the road's impact on hunting grounds, fish stocks, and traditional livelihoods. Others, particularly in more urbanized communities like Careiro and Humaitá, see the road as a path to inclusion, jobs, and dignity.

Any policy position that treats these voices as peripheral risks reinforcing the very marginalization that development seeks to end.

The Instituto Socioambiental (ISA) has called for a more inclusive model of consultation and compensation, warning that current mitigation plans lack adequate funding and legal guarantees.

Government Action: A Balancing Act

President Lula da Silva, under pressure to reconcile Brazil’s climate leadership with internal development, has walked a careful line. His administration has revived Ibama and ICMBio (key environmental agencies), slowed overall Amazon deforestation by 50% in 2023, and attracted global praise.

At the same time, the Ministry of Transport is pressing forward with BR-319, promising it will be an "ecological highway" with monitoring systems, reforestation zones, and patrols against land grabbers.

However, an audit by the Federal Court of Accounts (TCU) in 2023 raised concerns about the lack of an approved Environmental Impact Assessment (EIA) for key stretches of the highway. Civil society organizations argue that mitigation strategies are underfunded and reactive rather than preventive.

International Dynamics: The Global Lens on Belém

COP30 will be the first major climate summit held in the Amazon. This gives Brazil both opportunity and scrutiny. The BR-319 issue may become a litmus test for the credibility of Brazil’s climate leadership.

Donor nations such as Germany and Norway, through the Amazon Fund, have resumed financial support, but are urging transparency and safeguards in infrastructure decisions. The World Bank and Inter-American Development Bank (IDB) have also signaled interest in green infrastructure but remain cautious.

But here lies the core dilemma: can Brazil afford to freeze its infrastructure ambitions in the name of global carbon targets when millions still live without roads, schools, or clinics?

Recommendations: Toward a Realistic Path Forward

This brief does not call for the cancellation of BR-319. Rather, it proposes a sequence of actionable measures:

1. Full and transparent EIA: No further construction should proceed without comprehensive, peer-reviewed environmental impact assessments.

2. Legal land zoning enforcement: Prevent illegal settlements and loggers through real-time satellite monitoring and strengthened on-ground enforcement.

3. Community compensation mechanisms: Establish a fund for directly affected indigenous and traditional communities, managed by independent auditors.

4. Ecological offset corridors: Design and fund reforestation and wildlife corridors along the highway route.

5. Global co-financing: Invite donor co-ownership of the project to build trust and ensure climate safeguards.

Conclusion:

Brazil does not need to choose between roads and rainforests. But it must accept that to have both, it must do more than compromise. It must innovate.

The BR-319 saga is not about villainy or virtue. It is about governance, incentives, and credibility. If managed responsibly, the highway could become a symbol of how development and conservation can coexist. If mismanaged, it could haunt Brazil long after the applause of COP30 fades.

In the Amazon, as in the world, the roads we build shape the futures we inherit.