HYPERLINK "http /rainforests .mongabay .com /20brazil .htm " \l "infrastructure infrastructure " Infrastructure improvements . Road construction contributes deforestation wherein it provides access to logging and mining sites while opening forest frontier land to exploitation by poor landless farmers . Accordingly , Brazil 's Trans-Amazonian Highway was one of the most ambitious economic development programs ever devised , and one of the most spectacular failures . Rampant erosion , up to 40 tons of soil per acre (100 tons /ha ) occurred after clearing . HYPERLINK "http /rainforests .mongabay .com...











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