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Difficulty: EasyMain Idea and Central Theme Identification

Read the passage given below carefully:

Maritime transport currently accounts for nearly three percent of global greenhouse gas emissions, prompting international regulatory bodies to institute ambitious decarbonization targets for the global shipping fleet. While technical innovations such as alternative zero-emission fuels, hull air-lubrication, and wind-assisted propulsion offer substantial potential for reducing maritime carbon footprints, their widespread adoption is severely hindered by exorbitant upfront capital expenditures and a marked absence of refueling infrastructure across regional secondary ports. Consequently, maritime operators in developing economies face severe hurdles in upgrading their domestic fleets without undermining trade competitiveness. Current international policy interventions rely heavily on uniform punitive compliance mechanisms, which inadvertently penalize smaller maritime nations lacking capital access. To facilitate a realistic and inclusive transition, global climate governance frameworks must shift toward structured financial subsidies, capacity building, and technology transfer agreements. Additionally, developing regional green shipping corridors can help aggregate regional demand and mitigate investment risks for port authorities installing clean energy infrastructure. Ultimately, achieving a sustainable transformation in global maritime transport depends not merely on mandating zero-emission technologies, but on establishing equitable economic support mechanisms that prevent widening trade disparities between nations.

Which of the following statements best expresses the central theme of the passage?

  1. Achieving sustainable maritime decarbonization requires pairing climate targets with equitable economic support and technology transfer mechanisms for developing nations.Answer
  2. B
    Uniform punitive compliance penalties imposed by global maritime bodies represent the most effective long-term strategy for enforcing fleet modernization.
  3. C
    Global shipping emissions are predominantly caused by secondary port operations rather than long-distance vessel propulsion systems.
  4. D
    Developing coastal states should bypass green shipping corridors and prioritize national land-based carbon reduction strategies instead.

Answer

Achieving sustainable maritime decarbonization requires pairing climate targets with equitable economic support and technology transfer mechanisms for developing nations.
The correct answer accurately summarizes the central thesis of the text: achieving maritime decarbonization effectively and fairly requires combining climate targets with equitable financial, technological, and economic support for developing nations.

Step-by-Step Solution

1
Identify the primary thesis and problem statement introduced by the author.
The author notes that while decarbonization technology exists, adoption is blocked by high costs and infrastructure deficits, disproportionately affecting developing nations.
Establishing the core dilemma sets the foundation for identifying the author's main proposed solution.
2
Analyze the author's proposed resolution and ultimate conclusion.
The author explicitly concludes that sustainable transformation depends on establishing equitable economic mechanisms alongside technological standards.
The concluding lines synthesize the entire passage into a central takeaway.
3
Evaluate the choices to find the statement that encompasses the complete argument rather than isolated details or distorted claims.
The statement highlighting equitable economic support alongside climate targets accurately synthesizes the full scope of the passage.
The correct central theme must encompass both the main challenge and the overarching conclusion.

Key Concept

Main Idea and Central Theme Identification
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Main Idea and Central Theme Identification

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