Look what we found!  A very large agency posted an RFI with the following "green requirements".  Thought we'd share what we see as a growing trend.  If you have other examples, we'd love to see them posted to this group.  (Cut and paste from the RFI is below). 

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4.2.1 GREEN PROCUREMENT

The Contractor is advised that goods and services acquired on behalf of the Government or to conduct Government tasks must comply with federal green purchasing requirements and EO 13423: