You can’t argue with a rock.  So ideally we would now be on a field trip.  Instead, I offer you a short film made in the field by the Science Museum to accompany a lump of Hertfordshire Puddingstone that is featured in the Atmosphere Gallery, first opened in 2010.   Thanks to geology, the scientific case for human-induced climate change has recently become significantly more plausible.  New observational science based on cores taken from deep beneath the floor of the oceans offers crucial support and control for the computer-based forecasts of those creating models of future climate change.  Thanks to the work of the late...