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Cesium 137 from nuclear weapon testing fallout (1995 figures) Cesium 137 from nuclear weapon testing fallout (1995 figures)
Nuclear explosions - especially the atmospheric tests in the Arctic and from US, UK and Chinese tests at other sites in the world - are the primary source of radioactive contamination in the Arctic. With the times needed for decomposition of nuclear fallout, these higher radiation levels subsists for longer times.
21 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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Global atmospheric and underground nuclear explosions since 1945 Global atmospheric and underground nuclear explosions since 1945
Nuclear explosions - especially the atmospheric tests in the Arctic and from US, UK and Chinese tests at other sites in the world - are the primary source of radioactive contamination in the Arctic. Releases from nuclear fuel reprocessing plants in Europe are the second largest source of Arctic radioactivity, while the Chernobyl reactor accicent is the third.
21 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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