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Walmart Broadens ROI for Green Power

Harvard Business Review

For example] the longer term payback on solar helps us get to scale down the road.". In short, Walmart has tweaked its ROI requirements for green power initiatives to reflect more of the big picture. And making choices that do have measurable, but longer-term, strategic value should be par for the course as well.

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. Hundreds of thousands of people made their voices heard.

IRR 8