But the evidence seems to suggest that variations in climactic conditions are increasing in scale and frequency. We know that a 17-fold increase in the carbon dioxide in our atmosphere over the last century is part of the price of the surge in our prosperity, and that the world’s poorest citizens will bear the heaviest burden in paying it.
幸亏有了电视，我们可以见证世界其他地方的进步。巴基斯坦和中国的特大洪水或许不是气候变化造成的。但有证据证明气候状况的变化程度似乎在范围和频率上都有所增强。我们都知道如今大气中的二氧化碳含量比一个世纪之前多了17倍，这是我们为繁荣付出的代价，而世界上最穷的那些人将承受最多的后果。