2024-03-24-彼得森经济研究所-能源转型_技术与政治反弹之间的竞赛（英）_28页_740kb

Summary

The paper analyzes the "race" between technological advancements in energy and "political backlash" against climate policies for achieving the Paris Agreement goals. It emphasizes that while climate policy ambitions have increased (e.g., EU Fit for 50, US Inflation Reduction Act), they remain insufficient to limit warming to 1.5°C.

Key challenges include domestic opposition to climate policies, energy security concerns (especially post-Ukraine invasion), the risk of international economic fragmentation, slowing growth, and political volatility. Technological progress, while reducing the costs of known low-carbon technologies (e.g., solar, wind, batteries), is essential but insufficient alone to decarbonize harder sectors like aviation and agriculture.

Energy security has shifted focus away from fossil fuels towards renewables, though this creates new challenges like import dependencies for transition metals (e.g., lithium, cobalt). Macroeconomic costs of climate policies are relatively minor but real, though design matters (carbon pricing vs. subsidies). Differential climate policy approaches between the US and EU risk trade spillovers, though fiscal offset strategies might mitigate this.

Technology is critical, especially innovations like green hydrogen, negative emissions, and electric vehicles, but long-term policy support is needed. Enhanced technology diffusion and international cooperation are vital, though political fragmentation hinders this.

The successful green transition requires balancing ambitious domestic policy implementation with international collaboration to leverage technological improvements and manage risks associated with political and economic discord.