• Stories in the Sediment: DDD Use at Expo 67 

      Graham, Anna (2012-05-31)
      The toxic, persistent pesticide dichlorodiphenyldichloroethane (DDD) was used liberally prior to and during the World Exposition of 1967 (Expo 67) on Île Sainte-Hélène in Montréal to reduce the population of nuisance ...