One Year On

Some thoughts about the ecological fallout from Fukushima

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ISTOCKPHOTO.COM, BENOIT CHARTRON

Damage to nuclear reactors and buildings at the Fukushima Daiichi nuclear power plant following the earthquake and subsequent tsunami that struck Japan on March 11, 2011, resulted in the second-largest release of radioactive substances into the environment since the start of nuclear power production, and the largest accidental releases in history to the marine environment. Only the Chernobyl disaster surpassed it in magnitude.

Radioactivity from Fukushima was detected in many parts of the world, but outside of Japan, deposition was low. Regularly updated information on contamination levels in the Japanese environment and foodstuffs has been openly available since March 2011. One year on, the radioactive isotopes of major concern in Japan are the cesium isotopes 137Cs and 134Cs, with half-lives of approximately 30 and 2 ...

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