Here's a link to an interesting story from E Magazine.com. It mainly concerns the conflict between two competing lumber certification schemes. One accuses the other of engaging in greenwashing.
The Green Building Battles : As Eco-friendly Building Takes Off, the Fight Is on to Define What It Means to be Green by Christine MacDonald
Christine MacDonald, is also the author of Green, Inc.: An Environmental Insider Reveals How a Good Cause Has Gone Bad .