Discussions and comments about Wal-Mart becoming more eco-friendly. They've committed to selling 100MM CFLs in 2007.

Terrapass: The evolution of Wal-Mart’s CFL program
by Adam
Published: January 2, 2007
The Times took a deeper look recently at Wal-Mart’s lightbulb push, providing a fascinating glimpse of just what it means when the world’s largest retailer applies its heft to an environmental issue.
Article

NY Times Business: Wal-Mart Puts Some Muscle Behind Power-Sipping Bulbs
By Michael Barbaro
Published: January 2, 2007
The retailer is determined to push energy-saving light bulbs with the help of some unlikely partners.
Article