Activists subvert poster sites to shame aviation and ad industries

Billboards hijacked across Europe to highlight role of airline emissions in climate crisis

As Kate, 23, walked out of Seven Sisters station, in Tottenham, north London, she noticed an airline advertisement attracting unusual attention.

I was on my way back home, I was coming out of the station, and I saw two people taking pictures of the billboard," she said. I thought at first it was just a normal airline ad, so I just walked past. Then I did a bit of a double take."