This summer has seen one of the weather-related extremes in Russia, Pakistan, China, Europe, the Arctic—you name it. But does this have anything to do with global warming, and are human emissions to blame?

This summer has seen one of the weather-related extremes in Russia, Pakistan, China, Europe, the Arctic—you name it. But does this have anything to do with global warming, and are human emissions to blame?

在俄罗斯、巴基斯坦、中国、欧洲和北极，凡是能想到的地方，这个夏天极端天气都在肆虐。但这与全球气候变暖有关吗？人类的碳排放是肇事之因吗？