The Anthropocene – the concept that the Earth’s surface geological processes are now human-dominated – is often considered to be more or less synonymous with climate change.  Today, however, climate change is only one component – relatively minor, still – of the changes to the Earth system invoked to justify the Anthropocene.  However, the last couple of centuries have seen large and accelerating changes in some of the key factors that drive global climate, and it is widely agreed among scientists that climate change has begun.  In future decades, centuries and millennia, climate change seems likely to emerge as a central driver of changing geological process on Earth. The...