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最新研究指出，地球第六次物种大灭绝正在发生，而且正在加速推进。科学家们担心，物种减少会对地球生态系统产生巨大影响，对人类的生存构成真正的威胁。 [Photo by Qi Hongyan/For chinadaily.com.cn] The sixth mass extinction is not a worry for the future. It's happening now, much faster than previously expected, and it's entirely our fault, according to a study published Monday. 第六次物种大灭绝并不是对未来的担忧。根据本周一Humans have already wiped out hundreds of species and pushed many more to the brink of extinction through wildlife trade, pollution, habitat loss and the use of toxic substances. But the findings published in the scientific journal Proceedings of the National Academy of Sciences (PNAS) show that the rate at which species are dying out has accelerated in recent decades. 由于野生动植物贸易、污染、栖息地丧失和有毒物质的使用，人类已经导致数以百计的物种消失，并将更多的物种推向灭绝的边缘。发表在《美国国家科学院院刊》上的研究结果表明，近几十年来，物种灭绝的速度已在加快。 Gerardo Ceballos González, a professor of ecology at the National Autonomous University of Mexico and one of the authors of the study, said approximately 173 species went extinct between 2001 and 2017. 墨西哥国立自治大学的生态学教授杰拉尔多·塞巴罗斯·冈萨雷斯是这项研究的作者之一。他说，在2001年至2017年间，大约有173个物种灭绝了。 | 
