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Walmart Broadens ROI for Green Power

Harvard Business Review

We worship internal rates of return (IRR) to our detriment. The typical (but evolving) view is that all sustainability initiatives are either an expense and/or should only happen if they meet the strictest hurdle rate. Hurdle rates are important to provide some means of comparison between projects competing for capital.

ROI 13
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Two Forces Moving Business Closer to Climate Action

Harvard Business Review

The We Mean Business report cites an internal rate of return of 81% (that’s a ridiculous payback) on energy efficiency in the U.S., and an IRR of 27% for those companies with the most aggressive, science-based goals and actions on climate.

IRR 8