Seminar Highlights:
- Environmental Justice: Discussed efforts to prevent the El Paso smelter air permit renewal.
- Operational Challenges: Highlighted engineering issues, sulfur by-products, and upgrade costs.
- Health Debate: Conflicting views between scientists and workers regarding pollution severity.
- Labor Issues: Influence of strong industrial unions, labor disputes, and job compliance.
- Economic Factors: Impact of copper prices and the decision to demolish the smelter stacks.