John Snape is a Lecturer in Law at the School of Law, University of Warwick, UK. He has written on property law and tax law, including environmental taxes and the 'greening' of non-environmental taxes. Jeremy de Souza was tax partner in a leading London law firm for many years and is now a consultant to a law firm, White and Bowker, in Winchester, UK. He is a leading authority on the taxation of property-based transactions (including those affected by environmental taxation issues) and, besides editing the Sweet and Maxwell looseleaf Land Taxation, is Chairman of the City of Westminster and Holborn Law Society's Revenue Committee.