Brazil’s New Carbon Market Blueprint Gives Climate-Finance Tech a Real Use Case

Most sustainable finance stories still sit at the level of pledges, facilities, or politics. However, a preliminary proposal released by Brazil’s Finance Ministry changes that common narrative by defining who reports, who gets capped, which firms enter the system first, and how the infrastructure will actually be built. The ministry’s own press release said the proposal is an essential step in implementing the country’s regulated carbon market, that the design aims for a gradual and predictable transition, and that the draft should go to public consultation in July. The final version is expected later in 2026.

Brazil’s emissions-trading system is meant to support emissions reduction through monitoring, reporting, verification, the setting of limits, and the trading of regulated assets. The rules also state that companies with emissions over 10,000 tons of CO2 equivalent per year will have to report emissions, while those reaching over 25,000 tons may ultimately face additional caps and compliance obligations. Brazilian regulators also say that 75% of revenues raised should be redirected to companies’ own transition efforts, making the approach as much about industrial financing as climate policy.

The global backdrop makes the proposal’s timing significant too. For instance, the World Bank announced on May 19 that direct carbon pricing now covers almost a third of global greenhouse-gas emissions and generated over $107 billion in government revenue in 2025—a sharp rise over the previous decade. In total, there are now 87 carbon pricing policies globally, with large middle-income economies like Brazil increasingly using or planning such instruments. This will likely add pressure to other countries, including the US, to clarify their own carbon-market roadmaps.

As for the wider market impact, the near-term outlook is more about preparation than trading volume. Companies in impacted sectors will need better emissions data, reporting systems, and scenario analysis before eventually needing liquid carbon-asset trading capabilities. For the fintech sector, that front-loads demand for climate data infrastructure, auditability, and regtech. As the market matures, those opportunities will broaden, with climate software, fintech, and capital-markets infrastructure starting to overlap in more material ways.

Brazil’s proposal is also somewhat of an outlier in international markets because it lands somewhere between Europe’s relatively mature carbon-market regime and the more fragmented approach in the US. For instance, the EU already operates the best-known emissions-trading system in the world, while its second carbon market, ETS2, is expected to start pricing emissions from heating and transport fuels as early as 2028. By contrast, the US has no equivalent carbon market at the federal level, although state-level schemes like California’s cap-and-invest program do exist.

For fintech and climate-finance providers, the opportunity now goes beyond enabling carbon trading; it’s also about building the dat