Andrew Balch is a Certified Air Quality Professional with over 30 years of experience and founder of Air Environment, a Brisbane-based environmental consulting company operating for 13 years. The firm specialises in air quality, odour, meteorology and climatology assessments. As a leading expert in air quality and odour impact assessment, Andrew operates an advanced NATA-accredited odour testing laboratory meeting AS EN13725 standards. His expertise encompasses air dispersion modelling, dynamic olfactometry, field odour surveillance, and strategic advisory services including expert testimony in legal proceedings. Andrew has managed major projects across diverse sectors including power generation, mining, wastewater treatment, waste management, and intensive agriculture. His professional contributions include serving as former President of CASANZ Queensland Branch and former co-chair of the CASANZ Odour Special Interest Group. His innovations have transformed the industry through PlumeMapper, ambient odour assessment and management software that has revolutionised field odour assessment practices. His latest development, OdourRadar, enables global community reporting, analysis and mapping of odorous air pollution.