International and rural resource development; public policy and international rural development; water resources and public policy; African natural resources and development; river basin development and conservation; pastoralism and development,
Sociology and political ecology of agriculture, agrarian change, rural conservation and development, agri-environmental policy, food justice/sovereignty movements, heritage and terroir, diversified farming systems, participatory mapping
Chemicals policy and politics (including green chemistry, chemicals testing, biomonitoring) II sustainable food systems (including agroecology, policies for diversified farming systems, food sovereignty) II environmental STS II sustainability transitions II sustainability learning and societal change
Atmospheric science: stratospheric ozone depletion, air quality and greenhouse gases. Trace gas biogeochemistry of halocarbons, hydrocarbons and reduced sulfur compounds. Biosphere-atmosphere flux measurements in natural and human-impacted landscapes. Education development in ocean, climate and atmospheric sciences.