The goal of Skeptical Science is to explain what peer reviewed science has to say about global warming. http://www.skepticalscience.com/

Here is a Blog which has the aim to 'Promote Science and Critical Thinking' http://www.skeptical-science.com/

The Skeptic is the UK’s only regular magazine to take a sceptical look at pseudoscience and claims of the paranormal. Pursuing the truth through reason and evidence http://www.skeptic.org.uk/