Today I want to talk about the earth last major climateshift at the end of the last Iceage.
今天我想探讨一下地球上最后的一次气候大改变，冰河时期的最后阶段。
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Valente says he isn't sure why carnations suddenly boomed, but he notes that the profusion coincides with a well-known climateshift that rocked Europe 2 million years ago.
The basic claim of the paper is that by burning fossil fuels at a prodigious pace and pouring heat-trapping gases into the atmosphere, humanity is about to provoke an abrupt climateshift.