Earth
CO2 molecules (density = emissions)
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Real climate audits (GHG Protocol, TCFD, ISSB S1/S2) don't stop at a spreadsheet — the tonnes of CO2e a company reports genuinely change the physics of the atmosphere. This simulator lets you set Scope 1 (direct), Scope 2 (purchased energy) and Scope 3 (value-chain) emissions the way a real disclosure does, accumulate them over a chosen reporting horizon, and watch that mass convert into a rise in atmospheric CO2 concentration and, through the IPCC's logarithmic forcing formula, a measurable radiative forcing in watts per square metre. A verification-audit button samples independent measurement noise around the self-reported total, illustrating why Scope 3 emissions are the hardest line in any climate audit to certify.