Five years ago, Staples made it a corporate priority to cut its carbon dioxide emissions. The executives at the office supply giant decided, however, that whatever methods they chose—improving efficiency, changing operations, or buying low-carbon energy—the effort also had to make financial sense. At the time, no one could argue that buying solar panels was a good investment, as payback periods for recouping capital were typically measured not in years but in decades.
To read the full, original article click on this link: The Solar Panels Are Free, as Long as You Pay for the Sunshine - Technology Review
Author: Kevin Bullis
