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An argument against free trade is that it can limit environmental protection measures. This is because in some cases, free trade agreements may prioritize economic interests over environmental concerns. For example, countries involved in free trade agreements may choose to lower environmental standards to attract more business and investment, leading to negative impacts on the environment such as pollution or deforestation.
It's important to consider that while free trade can bring economic benefits by increasing efficiency and lowering prices for consumers, it may also pose challenges in terms of maintaining environmental sustainability. Therefore, some critics argue that free trade should be balanced with environmental regulations to ensure the protection of natural resources and ecosystems.