Radioactivity in the Arctic - Arctic Monitoring and Assessment Programme study of the sources, levels, exposures and effects of radioactivity in the Arctic environment.

Radnet - Information about past releases and dispersion of radionuclides in the biosphere.

Radiation Physics and Radiocarbon Research Lab - Measurement of man-made and natural radionuclides in the environment. Radiochemical lab including radiocarbon dating service from the University College Dublin.

Armed Forces Radiobiology Research Institute - The AFRRI is part of the United States Department of Defense. On-line publications, seminar schedules and reports.

International Union of Radioecology - Professional association of radioecologists and scientists in related fields. Information about the organization, upcoming meetings, online issues papers and other publications, and links to other websites related to environmental radiation protection.

Laboratory of Radioecology, Armenia - Service of the National Academy of Sciences of the Republic of Armenia. Includes abstracts of publications, staff list and gallery.

CESER Project - Countermeasures, Environmental and Socio-Economic Responses - European Community investigation of measures (such as deep plowing, special fertilizers, changes in livestock feed, or land-use changes) for long-term management of accidental radioactive contamination of agricultural systems.

Journal of Environmental Radioactivity - Publication of original research or review papers on any aspect of the occurrence of radioactivity in natural systems. Science Direct Elsevier Science on line journal.

Centre for Ecology and Hydrology Radioecology - Cthe CEH at Merlewood in the UK study the movement and distribution of man-made radionuclides in the environment. Provides description of projects and laboratory services.

Swedish University of Agricultural Sciences Radioecology - Provides information on reserach and studies.

Role of Uranium Speciation in the Uptake and Translocation of Uranium by Plants - Summary of United States Department of Agriculture research article.