From Vox:
7) We are motivated more by hope than fear, at least in matters of social change…. "This rhetoric about we only have a certain amount of time is a killer. It doesn’t make people engaged, it makes them give up," says David Meyer, professor of sociology at UC Irvine and author of The Politics of Protest: Social Movements in America.

For the full story, please visit http://www.vox.com/2015/6/14/8767823/psychology-global-warming.