Hedera has adopted environmental sustainability as a core value and is officially committed to carbon-negative network operations by purchasing carbon offsets quarterly, with amounts determined by the third-party assessment provider Terrapass.
Emissions assessments are determined at the end of every quarter and credits, accounting for uptrends in network usage, are purchased to offset the subsequent quarter. The verification report generated by Terrapass, which has been hashed on the Hedera Consensus Service ("HCS"), validates carbon captured through the Lebanon Refuse Authority Landfill Gas Collection and Combustion Project.
This decision was made by members of the Hedera Governing Council after careful deliberation, and we are hopeful this decision serves as inspiration for other public networks to adopt sustainable operating practices. The emissions included in these assessment stem from all public-facing infrastructure, as found on the Hedera Status Page. To learn more about the program, please read "Going Carbon Negative at Hedera Hashgraph".
Hedera network operation emissions in Q1 2023 were 32 metric tonnes of CO2. Hedera purchased offsets for 32 metric tonnes of CO2 to offset network emissions in Q2 2023. According to the EPA’s greenhouse gas equivalency calculator, 32 metric tonnes of CO2 emitted by the Hedera network was equivalent to 7.1 gasoline-powered passenger vehicles being driven for one year.
Hedera network operation emissions in Q4 2022 were 26 metric tonnes of CO2. Hedera purchased offsets for 26 metric tonnes of CO2 to offset network emissions in Q1 2023. According to the EPA’s greenhouse gas equivalency calculator, 26 metric tonnes of CO2 emitted by the Hedera network was equivalent to 5.6 gasoline-powered passenger vehicles being driven for one year.
Hedera network operation emissions in Q3 2022 were 20 metric tonnes of CO2. Hedera purchased offsets for 20 metric tonnes of CO2 to offset network emissions in Q4 2022. According to the EPA’s greenhouse gas equivalency calculator, 20 metric tonnes of CO2 emitted by the Hedera network was equivalent to 4.3 gasoline-powered passenger vehicles being driven for one year.
Hedera network operation emissions in Q2 2022 were 17 metric tonnes of CO2. Hedera purchased offsets for 17 metric tonnes of CO2 to offset network emissions in Q3 2022. According to the EPA’s greenhouse gas equivalency calculator, 17 metric tonnes of CO2 emitted by the Hedera network was equivalent to 3.7 gasoline-powered passenger vehicles being driven for one year.
Hedera network operation emissions in Q1 2022 were 14.5 metric tonnes of CO2. Hedera purchased offsets for 17 metric tonnes of CO2 to offset network emissions in Q2 2022. According to the EPA’s greenhouse gas equivalency calculator, 17 metric tonnes of CO2 emitted by the Hedera network was equivalent to 3.7 gasoline-powered passenger vehicles being driven for one year.
Hedera network operation emissions in Q4 2021 were 17.97 metric tonnes of CO2. Hedera purchased offsets for 20 metric tonnes of CO2 to offset network emissions in Q1 2022. According to the EPA’s greenhouse gas equivalency calculator, 20 metric tonnes of CO2 is equivalent to 4.3 gasoline-powered passenger vehicles being driven for one year.
Hedera network operation emissions in Q3 2021 were 10.82 metric tonnes of CO2. Hedera purchased offsets for 13 metric tonnes of CO2 to offset network emissions in Q4 2021. According to the EPA’s greenhouse gas equivalency calculator, 13 metric tonnes of CO2 is equivalent to 2.8 gasoline-powered passenger vehicles being driven for one year.
Hedera network operation emissions in Q2 2021 were 19.42 metric tonnes of CO2. Hedera purchased offsets for 23 metric tonnes of CO2 to offset emissions for Q3 2021. According to the EPA’s greenhouse gas equivalency calculator, 23 metric tonnes of CO2 is equivalent to 5 gasoline-powered passenger vehicles being driven for one year.