She concluded that cities are falling short in two areas: preparing for the likely impacts of climate change and cutting their own greenhouse gas emissions by reducing fossil fuel use.

她总结说城市在以下两个方面做得不够：为气候变化的可能影响做的准备不够以及通过减少矿物燃料的使用来减少它们自身温室气体的排放做得不够。

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But Australian researchers are hoping to change that by teaching robots to communicate verbally in a language of their own creation, the same way humans did.

但是澳大利亚的研究者们试图通过教授机器人一种属于它们自己的语言来像人类一样进行口头的交流。

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It is a change from the top down approach of Kyoto in which total emissions targets are determined by the science to one in which individual countries pledge their own emissions cuts.

这个改变颠覆了《京都议定书》的减排方式，协议中总排放量和每个国家的减排目标通过科学计算确定，每个签约国必须承诺削减自己的排放量。

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From the beginning, we have made clear that the change they seek must be driven by their own people.

WHITEHOUSE: President Obama Speaks to the People of Brazil

Otherwise, protesters in the age of Starbucks politics are fated to be doubly frustrated: first by the politicians, then by their own failure to change things.

ECONOMIST: Bagehot

Make Just One Change: Teach Students to Ask Their Own Questions by Dan Rothstein and Luz Santana, will be published later this month by Harvard Education Press.

FORBES: Learning To Ask The Right Question