2023: Adapting to a Changing Climate - New Brunswick

2022: Waste to Resources - Ohio

2021: Water Resource Management: Local Control and Local Solutions - Nebraska

2020: cancelled due to COVID-19 pandemic

2019: Agriculture and the Environment: Knowledge & Technology to Feed the World - North Carolina

2018: Western Rangeland Management: Balancing Diverse Views - Idaho

2017: Agricultural Soil and Water Conservation Stewardship - Maryland

2016: Invasive Species .. A Challenge to the Environment, Economy & Society - Ontario

2015:  Urban/Community Forests - Missouri 

2014: Sustainable Agriculture - Locally Grown

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