The world is likely to temporarily reach 1.5C of warming within 20 years even in a best-case scenario of deep cuts in greenhouse gas emissions, a landmark report on climate change signed off by 234 scientists from more than 60 countries has concluded.
來自60多個國家的234名科學家簽署的一份具有里程碑意義的氣候變化報告得出結論稱，即使在溫室氣體排放大幅削減的最佳情境下，全球氣溫升幅也可能在20年內暫時達到1.5攝氏度。
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