Metalmatrix has prepared its first Greenhouse Gas (GHG) Emissions Inventory, covering the period from January 1st to December 31st, 2025. The year 2025 was defined as the Baseline Year, marking the beginning of the company's structured emissions management, encompassing the Caxias do Sul/RS and Navegantes/SC units. From now on, it will be possible to monitor the evolution of emissions over time, establish reduction targets, and compare results, strengthening the organization's commitment to sustainability and the transition to a low-carbon economy.
The Greenhouse Gas Inventory (GHGI) allowed the identification of the main emission sources associated with its activities, establishing a baseline for monitoring and managing emissions over time. The results obtained contribute to the improvement of environmental management, enabling greater control over emissions-related data and the identification of mitigation opportunities, as well as favoring alignment with market demands related to the climate and ESG agenda.
Greenhouse gas (GHG) emissions from sources owned or controlled by the organization were predominantly concentrated in the treatment of sanitary effluents using septic tanks, totaling 6,720 t CO₂e, representing 67.5% of the total. Following this, mobile combustion contributed 2,260 t CO₂e (22.7%), mainly resulting from the burning of gasoline and diesel fuels used by the company's fleet. The industrial process accounted for 0.963 t CO₂e, equivalent to 9.7% of the emissions in the scope. Finally, emissions from stationary combustion associated with the use of acetylene in welding totaled 0.010 t CO₂e (0.1%), representing the smallest contribution among the sources evaluated.
It should be noted that the Brazilian electricity matrix has a relatively low emission factor when compared to other countries, due to the high participation of renewable energy generation sources, such as hydroelectric plants and cogeneration systems from biomass in the National Interconnected System.
Considering the total emissions recorded in the period, it is observed that the volume registered remains below the annual average of CO₂e emissions per person in Brazil, estimated at approximately 2.2 tons per inhabitant per year. This result shows that, even with industrial and operational activities, the organization maintains relatively low levels of direct emissions, reflecting the adoption of responsible operational practices and the positive influence of the Brazilian energy matrix.
In this context, continuous monitoring of emission sources and the pursuit of improvements in energy efficiency, fuel management and effluent treatment remain relevant opportunities for further reduction of emissions and strengthening of the organization's sustainability strategy.
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