Several studies have experimentally tested the impact of viewing the film. But how do we know whether AIT contributed to this increase? But has the film achieved what it set out to do – raise public awareness and change people’s behaviour in order to reduce greenhouse gas emissions? Measuring the film’s impactĪ public survey by the Pew Research Center for People & the Press found that in the months following the documentary’s release, the percentage of Americans attributing global warming to human activity rose from 41% to 50%.
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