Still, they suggest other computer makers are making greater strides toward green business operations than Apple.

WSJ: How Green Is Apple?

Jeff Green, chief operations office of DoubleClick competitor AdECN, argues that content providers will think twice about dealing with Google.

FORBES

So Greenpeace laid out the stairway to a coal-free iCloud, stressing that Apple should not rely on Renewable Energy Credits, or RECs, purchased from clean energy producers far from its data farms to green up its operations.

FORBES: Greenpeace: How Apple Can Build A Coal-Free iCloud