The NSF has a center for ISE CLO recognized as leaders in CS and ISEWe & colleagues defined the field of Citizen Science & provided recommendations for its improvementRecommendations from report widely cited, used in NSF grant proposals, some of which were funded: National Geographic, Audubon, and University of Minnesota.
How those other steps might relate to dialogue.
The challenge in doing this is precisely in the assumption that people make evidence-based decisions, particularly in contexts related to risk. It has been assumed that people are rational, analytical, and essentially make decisions cognitively. More recently, particularly in the context of climate change, it is being recognized that the affective elements of emotion, of values and trust, are just as much at play. So that when people are confronted with evidence, it can variably be interpreted as something that is or is not of pressing concern.