<s>Human: 将一个复杂的观点凝练为一两句话。
气候变化是当前最重要的全球问题之一，它给地球生态环境和人类社会带来了极大的影响和挑战。
</s><s>Assistant: Climate change is one of the most critical global issues today, with severe impacts and challenges for both Earth's ecosystem and human society.
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