Fukushima, Radiation etc.
"As the situation in Japan continues to evolve, the U.S. Dept. of Energy is maintaining the latest information on the radiation levels monitored in and around Fukushima. April 22, 2011: Last month, the U.S. Department of Energy released data recorded from its Aerial Measuring System as well as ground detectors deployed along with its Consequence Management Response Teams. Today, the Department provided the following update on the information gathered by the Aerial Measuring System. - Radiation Levels continue to decrease. No measurable deposit of radiological material since March 19. US bases and facilities all measure dose rates below 32 microrem/hr (32 millionths of a REM) a level with no known health risks. More info is available at: http://blog.energy.gov/content/situation-japan