Her work includes research on toxic substances and their exposure pathways; including technological, economic, political, and cultural influences. She has over 25 years of international experience working with composting toilets and greywater systems. Laura has served as a trustee on several boards of directors. She is currently on the editorial board of Rural America In These Times and president of the Higher Synthesis Foundation. Interests: development studies, history of technology, urbanenvironmental history, water resources, ecological infrastructure,sustainable agriculture, and public health