Seeing is believing.
Scenes of polar bears on melting ice floes. Beggars on the street—a church’s soup kitchen closed because of government regulations. An interior designer is put out of business for lack of a state-issued license. She has few options left to her.
For most people these slice-of-life vignettes are more persuasive than mounds of data. Image and story are more likely to change beliefs and prompt individuals to act.