A large volume of charcoal sold in Europe comes from tropical forests and is often incorrectly labelled, raising questions about whether it was logged illegally.

中文翻译：

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显微镜阐明了木炭的粗略起源。


在欧洲销售的大量木炭来自热带森林，并且经常贴上错误的标签，引发人们对其是否非法采伐的质疑。