At the risk of turning this column into “The Undercover Environmentalist”, I need to return to that vexed question of carbon dioxide emissions. In my first column of the year, I vowed to reduce my carbon footprint from air travel – easy enough, given that it was 50 tonnes of CO2 last year. A kind reader wrote to reassure me that I needn't lose any sleep, because the planes were making the journey anyway. Glib, I know: I've often said it myself to wind up environmentalists.
冒著將本專欄變成“臥底環保主義者”的風險，我需要再探討一下二氧化碳排放這個傷腦筋的問題。在今年的第一篇專欄文章中，我發誓要減少我航空旅行的碳足跡——相當容易，因為我去年的這部分碳足跡達到50噸。一位好心的讀者寫信來安慰我說，我不用為此失眠，因為飛機無論如何都是要飛完那段行程。有點滑頭，我知道：為了哄騙環保主義者，我自己也常常這么說。
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