Try to simulate an Ice Age climate in their greenhouse and grow some trees in there?
他们是在温室里尝试模小冰河期气候并在里面种了一些树吗？
That takes the focus away from the natural variations in the earth climate, like the Ice Age, right?
那就把人们的注意力从地球气候的自然变化上转移开了，比如冰河时代，对吧？
The agricultural revolution which actually was beneficial; we altered the climate for the better by preventing an Ice Age.
农业革命实际上是有益的；我们通过阻止冰河世纪的到来，使气候变得更好。
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