As scorching temperatures have smashed records across the world this year, I have been talking to climate scientists about a question I hear a lot.Do these heat extremes mean we are nearing critical tipping points that, once crossed, will push the Earth’s climate into irreversible, uncharted territory and runaway warming?
今年全球多地的氣溫都破了紀錄，在這樣的酷熱時節，我一直在與氣候科學家探討一個我聽了無數遍的問題。
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