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Question

Difficulty: MediumEvaluating Argument Strength and Credibility

Passage:

Many corporations rely on purchasing carbon offsets—investing in environmental projects, such as reforestation, to neutralize their own greenhouse gas emissions. Proponents argue that carbon offsets provide a crucial market-based mechanism for funding global conservation efforts. However, critics point out that the efficacy of these programs is often overstated. A recent audit of major forest-preservation registries revealed that up to 90% of the carbon offsets purchased did not represent genuine carbon reductions. The registry administrators defended their metrics by citing simulated future deforestation rates that would have occurred without their intervention. Yet, independent ecologists argue that these simulations are based on highly speculative, worst-case projections rather than historical trends, thereby inflating the perceived impact of the offsets.

Which of the following findings, if true, would most directly support the independent ecologists' evaluation of the registry administrators' defense?

  1. A
    Reforestation projects funded by the registries are widely considered to be the most cost-effective method of global conservation.
  2. B
    A survey of registry administrators revealed that they genuinely believed their computer simulations represented the most likely future outcomes.
  3. Historical records indicate that the forested areas in the registry projects had experienced negligible deforestation rates for decades prior to the offset program.Answer
  4. D
    The audit conducted on the major forest-preservation registries was limited to projects completed within the last calendar year.

Answer

Historical records indicate that the forested areas in the registry projects had experienced negligible deforestation rates for decades prior to the offset program.
The correct answer is supported because if historical records show that deforestation was already negligible, it directly validates the ecologists' claim that the registry administrators used highly speculative, worst-case projections that ignored historical trends, thereby inflating the offsets' impact.

Step-by-Step Solution

1
Identify the primary claim made by the registry administrators to defend their metrics.
The administrators claim that their metrics are accurate because they are based on simulated future deforestation rates that would have occurred without their intervention.
This establishes the premise of the argument being evaluated.
2
Identify the criticism raised by the independent ecologists against this defense.
The ecologists argue that the administrators' simulations rely on speculative, worst-case scenarios rather than actual historical trends.
This pinpointing of the ecological counterargument reveals what evidence is needed to support their claim.
3
Evaluate which finding would support the ecologists' claim that the simulations diverge from actual history.
A finding showing that actual historical deforestation rates were negligible directly validates the ecologists' objection that the worst-case simulations were speculative and ignored real-world trends.
This connects the factual evidence directly to the strength of the ecologists' argument.

Key Concept

Evaluating Argument Strength and Credibility
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Topics

Evaluating Argument Strength and Credibility

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