Water quality trading is continually being explored and implemented to improve water quality in many parts of the world. They are being used to cost-effectively reduce point and/or non-point source obligations to meet water quality goals such as nutrient discharge limits. A comparison between...

Agricultural practices continue to degrade water quality and ecosystems worldwide. In the United States, programs like the Department of Agriculture’s (USDA) Environmental Quality Incentive Program (EQIP) target the voluntary adoption of agricultural best management practices (BMPs). Demand...

As New Zealand charts its course toward a low-emissions economy, the quality of energy-sector and multi-sector modelling is becoming increasingly important. This paper outlines why models are useful for answering complex questions, provides a stocktake of energy-sector and multi-sector models...