当空气污染危害人体健康，使气候升温时，对此采取行动情有可原。那么用污染物使地球降温这个做法如何呢？
When air pollution hurts people's health and heats up the climate it makes sense to do something about it. But what about pollution that cools the planet?
现在大多数科学家预计，到2100年地球气候升温将达3摄氏度，虽然期间会经历4.5至5摄氏度的上升。
The planet will be hotter by 3c by 2100, most scientists now expect, though rises of 4.5c to 5c could be experienced.
太平洋面积非常大，覆盖了地球表面的30%，其海水升温产生的额外热量足以引发世界各地一系列的气候变化。
So large is the Pacific, covering 30% of the planet's surface, that the additional energy generated by its warming is enough to touch off a series of weather changes around the world.
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