The Brazilian government has announced upcoming measures to tighten regulations in the carbon market to combat environmental fraud, especially following recent scandals involving the inflation of assets by companies connected to Daniel Vorcaro, the owner of Banco Master. Reports indicate that these companies inflated their assets by R$ 45 billion through the fraudulent issuance of carbon credits tied to an unauthorized methodology and based on an irregular Amazonian farm overlapping federal land. Cristina Reis, the Secretary of Carbon Market at the Ministry of Finance, stated that the government will actively map all potentially existing environmental assets, aiming to clarify the definitions and methodologies for measuring, reporting, and verifying carbon credits. This initiative seeks to encourage legitimate projects while delineating them from fraudulent practices, as evidenced in the recent Master case. The imminent regulatory changes reflect a broader commitment of the Brazilian government to address issues of accountability and transparency in the carbon market amidst growing concerns over fraudulent activities. The article emphasizes the potential implications this may have for how carbon markets operate in Brazil and the government's intent to foster genuine environmental initiatives while tightening controls to prevent future infractions.