By Dr Jonathan Dean, Prof Melanie Leng and Prof Anson Mackay   The Anthropocene is a term that is increasingly being used to refer to the current interval in geological time in which humans have become a dominant force of global environmental change. It was coined by Prof Eugene Stoermer, a biologist, in the 1980s and popularised in the early 2000s by Prof Paul Crutzen, an atmospheric chemist. It is now indisputable that humans are leaving their mark on the planet (see the recent Climatica summary of the ‘Climate change: evidence and causes’ report here: http://climatica.org.uk/royal-society-national-academy-sciences-climate-change-evidence-causes). For instance, over the last century or so, atmospheric...