AT&T Top ‘Green’ Mobile Carrier in North America: “A new scorecard puts AT&T, Sprint/Nextel and Verizon as the No. 1, 2 and 3 mobile carriers in North America, when judged by their environmental attributes.
The Green Carrier Matrix (registration required) from ABI Research ranks companies based on the environmental impact of their network infrastructure, green network equipment, green handsets and handset recycling.
AT&T was noted [...]“

(Via Environmental Leader.)