Estimating Carbon Emissions
Resources for estimating carbon dioxide emissions associated with various activities
Air Travel
The most authoritative source for estimated emissions associated with commercial air travel is this calculator from ICAO: https://applications.icao.int/icec/Home/Index
For private air travel, emissions are substantially higher and highly dependent on the aircraft flown and number of passengers.
Personal Annual Emissions
Based on widely available statistics for many countries, it is possible for individual consumers to estimate their emissions by filling in details about their lifestyle into a form like these:
General-purpose global calculator: https://www.carbonfootprint.com/calculator.aspx
Official USA EPA calculator for US-based individuals: https://www3.epa.gov/carbon-footprint-calculator/
On-Chain Transactions
carbon.fyi is an easy-to-use interface for estimating emission from Ethereum mainnet transactions
NOTE: emissions are approximately 0 since the Merge, only 800 tonnes annually for the entire network, so addresses with no pre-merge transactions will show 0 emissions
KlimaDAO has also developed a Dune query suitable for estimating emissions from an arbitrarily large batch of addresses, based on the same emissions estimate as carbon.fyi here: https://dune.com/queries/1582379
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