Should scientists advocate on the issue of climate change?
Ingfei Chen writes: I was recently chatting with a friend who specializes in science education when we touched upon a conundrum: Researchers who study climate change grasp the dire need to cut planet-warming carbon emissions that come from burning fossil fuels, yet many of them shrink from voicing their views at public events or to the press. The stock-in-trade of scientists is their objectivity, my friend explained. The worry is that advocating for an agenda may diminish their credibility, hurt…