但是目前，众所周知，它正面临“热岛”现象，大都市所面临的一个问题，车辆排放导致的热以及工厂排放导致本地的温室效应。
But it now suffers from a phenomenon known as "heat islands," a characteristic of megacities in which artificial heat from car exhaust and factory emissions creates a local greenhouse effect.
这就意味着，在一个温室效应增加空气湿度的世界里，底层大气的暖化率要远远高于地表，这个现象在热带地区尤为明显。
This means that in a world where greenhouse warming is wetting the atmosphere, the lower parts of the atmosphere should warm at a greater rate than the surface, most notably in the tropics.
温室效应是一种自然现象。
由于温室效应而引起的地球大气平均温度升高的现象。
An increase in the Earth's average atmospheric temperature, esp. resulting from the greenhouse effect.
这种现象称作强温室效应。
但是我们正在试图说明的一个微妙的区别在于，究竟是把局部看成整体，是不断增加的温室气体导至了极端干旱，还是这些现象更象是温室效应作用下的全球气候。
Because in real systems, all these things interact, we just can't know exactly how much of a local change is due to greenhouse warming.
但是我们正在试图说明的一个微妙的区别在于，究竟是把局部看成整体，是不断增加的温室气体导至了极端干旱，还是这些现象更象是温室效应作用下的全球气候。
Because in real systems, all these things interact, we just can't know exactly how much of a local change is due to greenhouse warming.
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