Most of us recognise that climate change is real, and yet we do nothing to stop it. What is the psychological mechanism that allows us to know something is true but act as if it is not? George Marshall, current director of projects at the Climate Outreach Information Network, explains why.

George Marshall, writer and co-founder of the Climate Outreach Information Network talked about why our brains are wired to ignore environmental threats at TEDxWWF. Brussels, 13 October 2014.

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