
CDP Explained: 2027 Deadlines, Fees and Scoring
What is CDP, the Carbon Disclosure Project? See how disclosure works, the 2027 deadlines, UK and European fees and how scoring from D- to A is set.
The Spend-Based Method is one of the two approaches to carbon accounting, which works by taking the monetary value of a purchased good or service and then multiplying this value by a relative carbon emission factor in order to calculate the amount of greenhouse gas emissions produced. This is considered the more simple way to calculate carbon emissions, but is not as precise as the activity based model.

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