人们认为,与地球历史上前五次物种大灭绝中的几次相比,目前全球动植物的灭绝速度要更迅速,但是目前为止灭绝的物种数还无法与6500万年前恐龙灭绝时期的数量相提并论。
However one reason geologists are considering declaring a new epoch in the planet's history is the rapid loss of flora and fauna that will have a noticeable effect on the fossil record.
不过,动植物的迅速灭绝将对化石记录产生显著影响,这是地质学家们正考虑宣告地球历史迎来新纪元的一个原因。
Professor Wiens said: "It's true that in terms of global extinction of entire species that have already happened, I think we're not there [at the sixth mass extinction] yet.
韦恩斯教授称,“就全球所有物种发生灭绝的情况而言,我认为第六次物种大灭绝的确还没有发生。”
"But I think unfortunately we are on track for that to happen.
“但不幸的是,我认为事情正朝着这个方向发展。”
There were already "two bad signs" that Mr Trump's election would make things worse, Professor Wiens said.
韦恩斯称,已经有“两个坏迹象”显示,特朗普当选会让事情雪上加霜。
"One would be this person he's assigned to head the EPA (renowned climate science denier Scott Pruitt) and the other thing is pulling out of the Paris accord," he said.
【地球一半物种正在灭绝 川普当总统雪上加霜】相关文章:
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