C. G. Haberman was born and raised in south-central Nebraska. For ten years he taught the biological sciences in two Nebraska high schools. He left education to take a position with the Nebraska environmental agency and over the next ten years moved through the ranks. During his time in Nebraska, he worked on surface and groundwater quality issues, wetlands, and a uranium mining proposal. After Nebraska, C. G. worked in Washington and South Dakota, expanding his environmental knowledge in enforcement, air quality, and hazardous and solid waste. Before retiring, he returned to teach for ten more years as a community college instructor and as an adjunct at a liberal arts college in Hastings, Nebraska. Using his education and experience, he involved students by presenting real-life issues through Problem-Based Learning and hands-on field experiences.