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South Korea has set a notably high bar for its climate action, establishing a new, more ambitious Nationally Determined Contribution (NDC) for 2035 that has drawn sharp criticism from the industrial sector. Following an agreement at a high-level consultative meeting between the ruling party and the government, the nation is now poised to mandate a 53% to 61% reduction in greenhouse gas emissions by 2035, compared to 2018 levels. This decision appears to significantly side with environmental and civil society groups over industry demands.

Surprise Hike: Upper Limit Pushed to 61% 

The finalized range of 53–61% represents a significant increase, particularly on the lower bound, which is 5 percentage points higher than the 48% industry-preferred minimum. Crucially, the maximum target of 61% is even 1 percentage point higher than the government's previous proposal, an escalation directly attributed to calls from environmental groups who argued that even the 60% cap fell short of the IPCC (Intergovernmental Panel on Climate Change) recommendations and international standards.

The 53% floor target corresponds to the reduction rate necessary by 2035 to achieve net-zero emissions by 2050 through a uniform annual decrease. However, the prevailing argument among ruling party members during the non-public consultation favored the environmental community's push for a stronger international commitment, overshadowing the economic sector’s concerns.

Industrial Giants Brace for Major Impact 

The ambitious goal casts a long shadow over South Korea's energy-intensive manufacturing base, threatening to impose major financial burdens across key industries. The new target, which requires cutting up to 61% of the 2018 emissions (742.3 million tons) in just over a decade, is viewed as highly unrealistic by industry leaders. The country is already struggling to meet the current 2030 NDC target of a 40% reduction, with only about 30% achieved so far.

The power generation sector faces the most severe requirements, expected to cut emissions by at least 68.8% and up to 76% from 2018 levels. Analysts suggest this level of reduction would necessitate the construction of dozens of new nuclear power plants if fully offset by nuclear energy. Meanwhile, the transportation, steel, refining, and petrochemical sectors are all expected to face major shocks. The industry warns that a 53% reduction alone could jeopardize business viability.

International Comparison and Growing Concerns 

This accelerated pace of reduction places South Korea in a contrasting position against other major economies, where a certain 'speed adjustment' has been observed. For instance, China has pledged a relatively modest 7-10% reduction from its peak by 2035. While countries like Japan (60%) and Germany (77%) have similar or higher numerical targets, their domestic systems—such as the linkage of their NDC to their Emissions Trading System (ETS)—do not necessarily impose the same direct corporate burden as the planned Korean measures.

Critics from the business community, including the Korea Chamber of Commerce and Industry, express deep concern that the government's plan is being pushed through before necessary domestic decarbonization technologies are sufficiently commercialized, making the compliance costs prohibitively high and potentially crippling global competitiveness. The finalized plan is expected to proceed to the Presidential Carbon Neutrality and Green Growth Committee and then to a Cabinet meeting for final approval in the coming days. The government's decision signals a clear priority for climate action and meeting international expectations, but at a risk that the industrial sector argues could threaten its very existence.

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