The NY Times post Fresh Views on Climate Scientists as Advocates (Revkin: Jan 19 2014) is about the balancing of roles by scientists in doing research and in advocating for ideas politically.
Check this pondering post out for a thoughtful read.
Climate scientists, like all of us, come in all shapes and sizes and demeanors. I agree with Mann that it’s unwise for scientists to avoid the public debate over drivers of climate risk and options for reducing it. But I agree with Caldeira (and Gavin Schmidt and the departed Steve Schneider) that it’s counterproductive to blur lines between observations based on science and values-based views on solutions.