加州确立了CO2减排的死目标，其它州也纷纷准备效仿。

California now has binding targets to cut CO2 emissions, and other states plan to follow.

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其中有一个矛盾：能使我们留下好的残渣的最好方式之一就是为自己及他人做好准备，这样到我们死时不好的遗留物就会减少。

There's a subtle paradox here: one of the best ways we can leave positive residue is to prepare ourselves and others so that there's less negative residue when our time is done.

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“我还不准备断定他是一颗死星，”麻省理工学院的太阳系外行星专家塞拉。赛格说到。

"I'm not going to admit that it's a dead planet yet," said exoplanet expert Sara Seager of MIT.

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