Os principais causadores da poluição ambiental na atualidade

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Indústrias, queima de lixo pelas mãos humanas, queima de combustíveis fósseis por veículos motorizados e aviões são os principais contribuintes da poluição ambiental.

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Alguns fenômenos naturais, como erupções vulcânicas, tempestades de areia e incêndios florestais não criminosos, também resultam na produção de poluentes que afetam o meio ambiente.

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No entanto, os principais causadores da poluição ambiental na atualidade são praticados pelos seres humanos.

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As emissões dessas fábricas devem estar entre as mais poluentes para o meio ambiente. Fundição de chumbo, mineração e processamento de minério

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Para adquirir o produto final, a maioria trata as matérias-primas usando produtos químicos nocivos que contêm componentes tóxicos.

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Esses poluentes contaminam a água que bebemos e os alimentos que comemos quando acabam nos fluidos subterrâneos e na terra.

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Os subprodutos de vários processos de fabricação incluem gases de efeito estufa, como monóxido de carbono, dióxido de carbono e dióxido de enxofre.

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Além disso, contaminam o ar e podem prejudicar a visibilidade nas cidades. Alguns desses gases podem ser perigosos se respirados.

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A Queima de combustíveis fósseis é a principal causa da má qualidade do ar nas áreas metropolitanas.

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Esse tipo de combustão ocorre em usinas de energia que queimam combustíveis fósseis para gerar energia, e emissões de automóveis e outros veículos.

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Monóxido de carbono, óxido de nitrogênio, chumbo, partículas de poeira e compostos orgânicos voláteis, são produzidos como resultado.

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Os veículos motorizados respondem por cerca de 60% da poluição por monóxido de carbono, em cidades como Rio de Janeiro e São Paulo.

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