Evidence and logic aren’t enough to persuade people to live more sustainably. Effective action requires a combination of cognition and affect. In their affective roles as agents of personal and social change, the arts unite with the cognitive power of science to speak to our humanity – allowing global change issues to transcend language, background, education level, age, attention span, and time – and move people, emotionally and physically, to act. In this chapter, three experts who have used art/science integration in their work explain why they feel this combination is vital to teaching about and spurring action on environmental issues while substantiating this claim with research they and others have published.