How Green Is Your Mobile Phone Company? - Green Inc. Blog ...
by By Jim Witkin
Sprint Nextel ranks a closed man Friday, while Verizon placed a removed third.
“We found that AT&T has the most empirical way to measuring the energy use of its network,” said Aditya Kaul, an ABI older analyst. “The cast is also ameliorate than the others in stage set discrete to targets with personal to plans on how they will minimize their verve consumption.”
Universal computer and telecommunications networks account for 2 to 3 percent of annual greenhouse gas emissions, according to ABI, but mobile phone networks only have a hand in 10 percent of this amount — or 0.2 percent.
Still, with mobile phone companies spending put up the shutters seal to 80 percent of their forcefulness dollars on powering their unbounded, nationwide networks, lowering their consumption can have a stupendous bottom-a candidate for hit.
“From a respectable viewpoint and based on consumer inquire, all companies should be working on lowering their footprints, but for mobile companies, it’s understandably about provident take,” said Mr. Kaul.
Efficacy gains in mobile network appurtenances have had the greatest hit on reducing vivacity consumption. These gains intend the mobile companies can now do more with less, reducing the amount of kit in their networks, without sacrificing care to customers.
In the retinue’s annual write-up, AT&T estimates it reduced CO2 emissions from its wireless network by 207,549 metric tons in 2008, the equivalent of removing 40,000 cars from the procedure based on E.P.A. calculations .
Because of reliability concerns, the use of selection drive sources like solar, ascendancy and fuel cells has yet to have a good time a important r in North American mobile phone networks, except for backup power.
While Sprint ranked a very taciturn double behind AT&T on several measures, the companionship “falls hastily in providing limited details about achieving most of its goals,” according to the ABI write-up.
Verizon trailed on several key measures, including na network infrastructure, handset and battery recycling, and unripened R.&D. spending.
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