A Refresher on Internal Rate of Return

Harvard Business Review

Any time you propose a capital expenditure, you can be sure senior leaders will want to know what the return on investment (ROI) is. There are a variety of methods you can use to calculate ROI — net present value , payback, breakeven — and internal rate of return , or IRR. What is internal rate of return? The IRR is the rate at which the project breaks even. IRR doesn’t give you real dollars.

IRR 8

Walmart Broadens ROI for Green Power

Harvard Business Review

I've followed the greening of the retail giant fairly closely for years, so I wasn't expecting a lot of new information from Bedore, Walmart's Senior Director of Business Strategy and Sustainability. But amidst a seemingly scripted set of responses on Walmart's supply chain and operational greening efforts, the discussion took an interesting turn. When addressing the company's aspirational goal of using 100% renewable energy, Bedore said two noteworthy things.

Two Forces Moving Business Closer to Climate Action

Harvard Business Review

At the same time, the cost of renewable energy has dropped very far, very fast. It’s a perfect storm bringing us to two important tipping points: one of belief and commitment to action, and one of economics. First, though, a few of the highlights from the business community: In June, former U.S. One exciting offshoot of We Mean Business, called RE100 launched as well, with Swiss Re, Mars, IKEA, and others making the bold commitment to use 100% renewable energy.

IRR 8