Science

Nuclear Power Plant Accidents From 1952 to Today

Only the 1986 disaster at Chernobyl, Ukraine, and 2011 disaster at Fukushima, Japan achieved INES level 7, the maximum level possible.

By Bertie Atkinson
Workers wear protective clothing at the Chalk River plant in 1954. Toronto Star Photograph Archive, Courtesy of Toronto Public Library
Workers wear protective clothing at the Chalk River plant in 1954. Toronto Star Photograph Archive, Courtesy of Toronto Public Library