Nick writes, works and teaches on a wide variety of environment, conservation and development issues. He has written on environmental topics for schools (e.g. Atlas of Environmental Issues, 1988), popular audiences (e.g. Rivers: A Very Short Introduction, 2012), and for policy-makers (e.g. Intellectual Property Rights: A Battleground for Trade and Biodiversity? 1999). His undergraduate textbook, The Global Casino: an introduction to environmental issues (2013), is in its fifth edition and has been adopted as a set text in higher education establishments in many parts of the world. It is also used at senior level in many schools. He is on the editorial board of Geographical magazine and he has been writing the Environment Today column in Geography Review for many years.