Question 1 of 30
Consider an environmental impact assessment for a newly developed bioplastic derived from algae, intended as a replacement for conventional petroleum-based films. The initial Life Cycle Assessment (LCA) study, conducted in accordance with ISO 14044:2006 principles, encounters substantial data deficiencies concerning the energy inputs and emissions associated with the cultivation and harvesting of the specific algal strain used. Given these unforeseen upstream data limitations, which course of action best upholds the integrity and iterative nature of the LCA process as outlined in the standard?
Revise the goal and scope definition to explicitly document the identified data gaps and their potential impact, and plan for targeted data acquisition or sensitivity analysis for the affected unit processes.
Proceed with the study using the best available proxy data for the algal cultivation and harvesting, and conduct a thorough sensitivity analysis to demonstrate the potential range of impacts.
Inform all stakeholders of the data limitations and their potential influence on the results, deferring any further refinement until more comprehensive data becomes readily available from external sources.
Halt the ongoing LCA and initiate a new study only when complete and validated data for all upstream processes are secured, ensuring absolute data certainty from the outset.

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