Cities across the world are clearing their billboards of flight ads, SUVs, cruise ships and petrol cars in an attempt to cut emissions.

Since November 2025, commuters at Southwark tube station in London have been passing walls lined with vintage-style posters parodying oil and gas advertising, instead of ads promoting flights or ...

Hedge-fund tycoon turned full-time philanthropist Tom Steyer plans to spend up to $100-million during the 2014 election campaign on advertisements aimed at turning up the pressure on federal and state ...