 Nyorai kuenderera mberi kwechikamu chino - Njodzi dzinokonzerwa nevanhu dzinogona kukonzera njodzi dzomunharaunda muzvikafu zvegungwa zvinogona kupararira zvakanyanya kuburikidza nemaketani ezvokudya. Kuitika kwokutanga kwoutachiona hwe mercury hwakapararira muvanhu kwakaitika nenzira iyi muma 1950 muMinamata, Japan. Mvura yakasviba yaibva mufekitari yemakemikari yaiva pedyo yakabudisa methylmercury iyo yakaunganidzwa muhove dzaidyiwa nevanhu. Kupindwa nechepfu kwakakomba nemekiyuri zvino kunonzi chirwere cheMinamata. Njodzi yeFukushima Daiichi Nuclear Power Plant muna 2011uye 1947 - 1991 Marshall Islands kuedza bhomba renyukireya kwakatungamirira kusvibiswa kwenjodzi ye radionuclide yehupenyu hwemugungwa hwemugungwa, iyo, munyaya yekupedzisira, yakaramba iripo kubvira muna 2008. 