Closing Thoughts by Joohong Ahn

Socials systems are to be reconstructed by taking advantage of technologies.

*The accident should be characterized more as failure of social/ organizational systems than as failure of technological systems.
Japan’s nuclear community did not develop good social-scientific understanding about nuclear power utilization.
Nuclear power utilization was isolated from people and controlled primarily by technocrats.
Social scientists did not pay attention, or did not give objective analyses.

*Establishing scientific basis for resilience is necessary.
Right understanding about “defense in depth, ”parKcularly,about the 5th level defense, with
Comprehensive understanding about “damages” of a severe accident to be imposed on various stakeholders in the society.

*Establishing a strategy for legacy materials management is necessary for redefining new motive/objective for nuclear technologies.

*Public participatory decision making process is essential for implementing resilience.
Public participatory decision making process needs to be reversible and adaptive.
There should be sufficient variety in options available for comparison.

*Technology plays crucial roles in public participatory decision making process by providing greater variety in options, but it must serve for public good.

*To serve for such decision-making process, multifaceted performance assessment for technological options is useful.
Performance metrics should be selected, based on in-depth analysis of issues that the society faces, and the goal that the society agrees.
Performance assessment should be conducted not only by experts but also by lay people.
Metrics, goals, and assessment should be done iteratively.

 
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