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. 2024 Aug 10;15:6863. doi: 10.1038/s41467-024-51151-w

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© The Author(s) 2024

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Fig. 6 — a Average scores by company for all non-renewable energy credits (tested with three indicators) and renewable energy credits (tested with four indicators) retired over 2020–2023 using indicators of quality and climate benefits explained in Table 1 and Methods. Average scores were computed by weighting the relative share of credits from each company that received a particular score, shown in bottom two panels. For example, Delta Airline’s score for non-renewable credits, was calculated as 36.66 × 0 + 62.66 × 1 + 0.70 × 2 then divided by 100 to arrive at 0.64 against a maximum possible score of 3. Two companies (Gucci and Hu-Chems) marked with asterisks (*) did not retire any offsets from renewable energy projects. b Relative share of scores by company for all non-renewable energy credits (left) and renewable energy credits (right). For example, a share of 20% in the score category 1 indicates that 20% of the offsets retired by that company met only one criterion.