Following the dam disaster in Brumadinho, a tragedy that killed over 160 people and destroyed all life at the Paraopeba River, Joenia presented her first bill proposal, which renders environmental crimes that seriously affect ecosystems, human health, and lives, "heinous crimes", a type of offense that incurs in more severe penalties.
Bayan wannan annobar ta dam a Brumadinho, mummunan lamarin ya yi sanadiyyar sama da mutane 160 kuma ya halaka duk wata rayuwa a ruwan Paraopeba, Joenia ta fara gabatar da ƙudurinta na farko, lafiyar mutane da rayuwa, "muggan laifuka" nau'in laifin da yake jawo hukunci mai tsanani.