How to avoid greenwashers

An old post -- but new to me -- on FacilitiesNet talks about deceptive "green" marketing and how to avoid it:

So how do you sort out the greenwash from the pure and clean? One way is third-party certifications like Greenguard, Green Seal or Energy Star. These ensure that a product has met some criteria for greenness. But it’s still important to find out what those criteria are and how they were established.