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Barriers Sovacool suggests that the barriers to clean energy adoption are institutional , not technological , and he sees no role for nuclear power in a clean energy transition .
 person: Sovacool
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Sovacool