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The 450% Error: Why Spend-Based Carbon Measurement Costs You Millions

The 450% Error: Why Spend-Based Carbon Measurement Costs You Millions

Most companies overstate their advertising emissions by 450%. This isn't a rounding error—it's a fundamental flaw in spend-based methodology that's costing brands millions in unnecessary carbon offsets and failed compliance audits.

January 4, 2026 • Carbon Intelligence Team