One of the main challenges for anyone attempting to ascertain the health effects of Chernobyl radiation is that there is so much background radiation in the atmosphere to begin with . A botched nuclear safety test set off the worst nuclear disaster in history in 1986 . About 5 million people live in what have been termed ' contaminated territories ' Kathy Smith : ` ` People are still being affected by the social and economic fallout . '' CCI helps children from contaminated areas who are negatively impacted .
A botched nuclear safety test set off the worst nuclear disaster in history in 1986 . About 5 million people live in what have been termed ' contaminated territories ' Kathy Smith : ` ` People are still being affected by the social and economic fallout . '' CCI helps children from contaminated areas who are negatively impacted .