对短期气候作用力的控制要比应付二氧化碳简单。
And doing something about these short-lived forcings is easier than tackling carbon dioxide.
为了便于比较各作用力，用瓦特/平方米表示气候作用力，值越大则温度上升越多。
Climate forcings are, for the sake of comparison, expressed in terms of watts per square metre: more watts, more warming.
这种成熟的一个特征就是：当越来越多的人们认识到短期气候作用力的影响，特别是炭黑的影响，就发现这些短期气候作用力是与人类行为相关联的。
One aspect of this maturity is that short-lived forcings have become relevant to more people as the scale of their effects has been recognised. This is particularly true for black carbon.
这种成熟的一个特征就是：当越来越多的人们认识到短期气候作用力的影响，特别是炭黑的影响，就发现这些短期气候作用力是与人类行为相关联的。
One aspect of this maturity is that short-lived forcings have become relevant to more people as the scale of their effects has been recognised.This is particularly true for black carbon.
第四，尽管气候变化可能会有助于在世界范围内助长资源民族主义以及零和竞争，然而它也可能会产生反作用力。
Fourth, while climate change could help spur the world into resource nationalism and zero-sum competition, it could also do the opposite.
第四，尽管气候变化可能会有助于在世界范围内助长资源民族主义以及零和竞争，然而它也可能会产生反作用力。
Fourth, while climate change could help spur the world into resource nationalism and zero-sum competition, it could also do the opposite.
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