气候变化是涉及全球可持续发展的科学问题。在分析对气候变化认识的差异和共识的基础上, 归纳了不确定性中的确定性, 从而明确了应对气候变化战略(包括减缓和适应)的科学性。阐述了应对气候变化对国家当前发展的现实意义, 包括促进发展方式的转变, 推动新型发展; 推动国家多方面基础设施建设的完善; 有力带动国家基础研究的进步, 推动科技创新。进一步, 提出了应对气候变化对国家长远发展的战略意义, 包括清醒地认识和表述国家现代化的第三步战略目标和实现这个目标的战略路线图。应对气候变化战略的坚定实施, 不但有益于当代人生存环境的改善, 也将惠及全球子孙后代的根本利益。

①Climate change is a scientific issue concerning the global sustainable development. By analysing the different and common points of view regarding climate change, this paper concludes certainty from uncertainty and defines the scientificity of strategy addressing climate change (including mitigation and adaptation).② This paper explains the practical significance of strategy addressing climate changefor China’s development, such aspromoting the transformation of development patterns, improving various infrastructure constructions, driving the progress of fundamental research and technical innovation.③This paper also puts forward the strategic significance of tackling climate change for the country’s long-term development, which includes completely understanding and clearly expressing the third goal of the “three steps” strategy in China’s modernization and the strategic roadmap of realizing the goal. The resolute implementation of the strategy addressing climate change is not only beneficial to the improvement of living environment for nowaday’speople; it can also bring great benefit to the future generations.