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jan 1, 1983 - Comissão Mundial sobre o Meio Ambiente e o Desenvolvimento

Description:

Bem como assinatura do protocolo de Helsínquia sobre qualidade do ar

Added to timeline:

Respostas globais às emergências ambientais

ByZita Oliveira

12 Mar 2020

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292

Date:

jan 1, 1983

Now

~ 43 years ago

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