Dr Dave Reay is a Natural Environment Research Council Fellow at the University of Edinburgh. He studies greenhouse gas emissions in environments ranging from the Southern Ocean to evil-smelling drainage ditches. He is author of Climate Change Begins at Home (Macmillan, 2006), the forthcoming children\'s book How To Save the Planet (Macmillan), and is lead editor of the book Greenhouse Gas Sinks (CABI Publishing, 2007). He has written numerous academic and popular articles about his work and is editor of the leading climate change website http://www.ghgonline.org. He lives in a house well above sea level.