Dr. Hargrove's professional career of 30 years has focused on environmental issues and natural resource management, especially in the context of agriculture. He has authored or co-authored over 100 scientific articles. His areas of technical expertise include soil and water conservation and management, water quality, air quality, waste management, and environmental health. He has over 25 years’ experience in international development work and has extensive international travel and work experience in over twenty countries, especially in Sub-Saharan Africa.