Current global climate models struggle to represent precipitation and related extreme events, with serious implications for the physical evidence base to support climate actions. A leap to kilometre-scale models could overcome this shortcoming but requires collaboration on an unprecedented scale.

中文翻译：

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可靠的气候预测需要雄心勃勃的伙伴关系

当前的全球气候模型难以代表降水和相关的极端事件，这对支持气候行动的物理证据基础具有严重影响。跃迁到千米级模型可以克服这一缺点，但需要以前所未有的规模进行合作。