“[Those firms] have been aided and abetted by advertising and PR companies – Mad Men fuelling the madness…..I urge every country to ban advertising from fossil fuel companies.”
— António Guterres, UN secretary general, June 2024
Following previous international gatherings in Paris (2022), Amsterdam (2023) and Brussels (2024)- activist groups, NGOs, academics and reaearchers will gather in Barcelona from 11 – 14 September 2025. The aim of the conference is to share stories of success in the international campaign to end advertising and sponsorships for polluting products and position these struggles within a wider critique of corporate power.

Conference sessions include:
- Disinformation, climate obstruction & advertising
- Municipal advertising bans on advertising for high carbon products: progress, pushbacks and next Steps after The Hague decision
- Fossil fuel sponsorship in sports and culture
- Adapting to a Changing World: what can our counter-advertising campaigns learn from other movements?
- Creative campaigning
- Ecological colonialism and green extractivism