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dervis91_WOJTEK RADWANSKIAFPGetty Images_climate protest Wojtek Radwanski/AFP/Getty Images

气候治理行动的真正障碍

气候变化可能是当前人类面临的最大威胁。根据联合国政府间气候变化专门委员会(IPCC)的数据,世界必须在2050年将二氧化碳排放量削减至零,才能够防止全球变暖幅度超过本世纪工业化前水平1.5°C,甚至更高。这一严峻挑战要求人们立即采取重大行动,因为当今世界的基础设施投资将决定未来数十年增长道路的碳强度。

然而,尽管人们普遍认识到气候问题所带来挑战的规模及其紧迫性,碳排放量仍在持续增加,土地“承受着越来越大的来自人类的压力”,而亚马逊河流域正受到前所未有的威胁。

早期关于气候问题的辩论大多围绕着世界是应该立即采取激烈行动来缓解全球变暖,还是采取一种更为渐进的方法。渐进主义者较为成功地论证了:立即采取较严厉的措施将带来沉重的短期经济代价。

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  1. haass107_JUNG YEON-JEAFP via Getty Images_northkoreanuclearmissile Jung Yeon-Je/AFP via Getty Images

    The Coming Nuclear Crises

    Richard N. Haass

    We are entering a new and dangerous period in which nuclear competition or even use of nuclear weapons could again become the greatest threat to global stability. Less certain is whether today’s leaders are up to meeting this emerging challenge.

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