I have 30 years of experience and specialize in the field of energy and environmental regulations, policies and technologies with specific knowledge in the areas of air, water, wastewater, solid and hazardous wastes, environmental sustainability, green manufacturing, climate change and greenhouse gas, solar, wind, biomass and energy from wastes, geothermal and energy efficiency. I have published on such topics as materials and recovery from industrial wastes, energy from wastes and environmental sustainability. I have testified on hazardous wastes.