This year marks another milestone in the accumulation of carbon dioxide in the atmosphere. It has now reached 400 parts per million, and the rate of accumulation continues to rise. The experience of the past few years suggests that normal politics and diplomacy are unlikely to solve the problem of climate change. Only one thing is guaranteed to solve it: technological advance.
今年，大氣中二氧化碳的積累達到了又一個里程碑式的高度。大氣中二氧化碳的濃度如今已達400ppm，而且積累的速度還在持續加快。過去幾年的經驗表明，一般的政治與外交手段不太可能解決氣候變化問題。只有一種方法可以確保解決這一問題：技術進步。
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