Scientists say a new geologic epoch has begun whereby humans are causing major damage to global water systems.
科学家称人类开始对全球水系统造成重大破坏，一个新的地质时期由此开始了。
In fact, there's a name for the informal geologic epoch they say human activity has caused — the Anthropocene.
事实上，他们给这种人类活动引起的非正式地质时期起了个名字—“人类纪”。
There is growing evidence that the presence of humans has altered the Earth so much that a new Epoch of geologic history has begun—the Anthropocene Epoch, a new human-influenced Epoch.
有越来越多的证据表明，人类的存在使地球发生了巨大的变化，地质史上的一个新时代已经开始了——即人世时代，一个受人类影响的新时代。
If we have indeed entered a new epoch, then when exactly did it begin? When did human impacts rise to the level of geologic significance?
如果我们确实迈进了新的世，那么是什么时候开始的，什么时候人类的影响会达到地质学重要意义的程度？
If we have indeed entered a new epoch, then when exactly did it begin? When did human impacts rise to the level of geologic significance?
如果我们确实迈进了新的世，那么是什么时候开始的，什么时候人类的影响会达到地质学重要意义的程度？
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