Radioactive Releases from Fukashima: Human Health and Environmental Impacts in Japan and Beyond

It has been three years since an earthquake and tsunami caused the accident at the Fukushima Daiichi nuclear plants. The media has presented widely varying estimates of human health and ecologic impact. This talk provides an overview of the accident, the magnitude of radioactivity released into the environment, how radiation doses are determined, and the tools used by health physicists, radioecologists, and epidemiologists to assess impact.