Klaus Dodds is Professor of Geopolitics at Royal Holloway University of London and Fellow of the Academic of Social Sciences. He is a Trustee of the Royal Geographical Society and a UK representative of the International Arctic Science Committee's Social and Human Working Group. He has travelled extensively around the Arctic and co-authored The Arctic: What Everyone Needs to Know, (with Mark Nuttall, OUP, 2019), as well as authoring The Antarctic: A Very Short Introduction, (OUP, 2012), and Geopolitics: A Very Short Introduction, (OUP, 2019, third edition). Between 2017-2020, he held a Major Research Fellowship (funded by the Leverhulme Trust) on the 'Global Arctic'. Jamie Woodward is Professor of Physical Geography at the University of Manchester and a Fellow of the British Society for Geomorphology. His research explores how landscapes and people are impacted by environmental change from the Pleistocene ice age to the present day. He is the author of The Ice Age: A Very Short Introduction, (OUP, 2014) and was a trustee of the Royal Geographical Society (2017-2020).