Otaga Daily Times: New Zealand had a world-leading emissions trading scheme until it went off the rails in 2012, and we can have one again, environmental economist Dr Suzi Kerr says. Dr Kerr, a senior fellow at Motu Economic and Public Policy Research in Wellington, was heavily involved'' in the design of New Zealand's initial carbon emissions trading scheme (ETS). She was in Dunedin yesterday as a visiting lecturer for a University of Otago summer law course on the international response to climate change. New...