You might want to consider making it a "community"
Check out
www.ning.comIt is free with ads $20 without
I have several. this is one that has been private labeled
www.VegHaven.orgYour forum here is fairly highly ranked on Yahoo right now. In a few more months you will be coming up for quite a few things related to Green.
Adding blogs would create a huge increase in traffic as people started blogging.
Do you work on the internet? I like your site and the layout. Id add blogs. Once your site populates a little more youre gonna get a lot of traffic.
This is my company
www.Zattva.comCheers