Note: The original study link is now broken. Here’s an archive.org version:
https://web.archive.org/web/20100328180845/http://www.rotman.utoronto.ca/newthinking/greenproducts.pdf
Note: The original study link is now broken. Here’s an archive.org version:
https://web.archive.org/web/20100328180845/http://www.rotman.utoronto.ca/newthinking/greenproducts.pdf