The market for eco-friendly products and services has exploded in the past five years, and it is pretty clear that companies with environmental brand cache have an edge over their competitors. If you think you have a solid eco story to tell about your brand and you are trying to engage in some ‘green marketing’, bloggers can be a real boon to your businessIF (and only if) you can get them to like your brand and want to evangelize your products. The flipside to this, of course, is that bloggers (like any other type of journalists) can just as quickly throw a major wrench in your public brand perception with negative articles and bad publicity if you get on their bad side. So what is the best way to win over eco bloggers? Here are 5 tips from a green blogger who has been working in the space for 5 1/2 years. (Yes, I’m talking to you PR people! ;))