“When world leaders gathered in Glasgow at COP 26 last month, it was very clear what they were there to do – commit to urgent action to avert climate catastrophe.

But an advertising campaign designed to greet the delegates on arrival, with images of people on the climate frontline, was deemed too political, alarming and even sinister by major airports and train stations.”

Channel 4 News tells the story behind what really happened when we tried to bring the alarming reality of the climate crisis to COP26, and what we did about it.

Watch the report here.