How to tell a biased source of online information?

Left out an important piece of information in the News and Observer article. The key to figuring out whether you are informed or misinformed on something complex like climate change is knowing how to evaluate your sources of information. The U.C. Berkeley Library has a nice guide to Evaluating Web Pages for reliability and trustworthiness. When it comes down to who are you going to believe, you need to have a rational way to answer that question, and this is it. If you want to know whether you can rely on what you are reading or not, it's essential. Take a look.