For example, the likelihood that a Christian survey respondent expressed a great deal
of concern about climate change dropped by about a third between 1990 and 2015.
The survey also looked at how political orientation and age
affects concern about climate change, and how confidence that governments will act to tackle it varies across countries.
As
global concerns about climate change grow and implementation of the 2015 Paris Agreement ramps up, the portfolio of decisions that could be made by nations and cities to avert the most deleterious effects of climate change are so consequential and so long - lasting that public deliberation stands as both an ethical and practical requirement.