28 Use simple messages that provide an action perspective. Publish citizen science initiatives’ activities and results in written press and media as it will help change political opinion about the initiatives and their results. Use data and stories in tandem to affect evidence-based political activism because data alone may be too abstract, and pictures and stories often elicit a much stronger public response than data alone. B P 22 23 24 Behaviour Policy C Cities Citizen Science CS B CS CS P CS P