He is visiting GW Law this spring and is working on a number of projects including a book on housing law, research on property rights and sustainability, and working with Dean Paddock on a solar energy law research project. Grinlinton focuses on property rights, mining and energy law, and environmental law. He has published widely on these subjects, and has advised law firms, government and other agencies, and public interest groups in these matters. Prior to entering academia, he practiced mainly in the areas of land and commercial property and oil and gas law. He undertook postgraduate studies in Australia and the United Kingdom, returning to teach at Auckland in 1989. He has also taught at various