IAB Europe has announced the opening of a public feedback period for carbon.json, a proposed specification designed to enable voluntary, machine-readable disclosure of emissions intensity data by digital advertising systems. Developed through IAB Europe's Methodology & Framework Working Group, with input from ad tech companies and sustainability vendors, and in close partnership with Ad Net Zero throughout the development process, carbon.json aims to improve the accuracy and consistency of emissions estimates across the digital advertising supply chain.
We tried to make it as easy as possible. I mean, even with the fact that I initially built the app with the agents in mind, thinking it would make their lives easier, they didn't want to download just another app. That's not where their mind goes when they have a pressing question. They still want to call the broker and get a quick answer, or shoot a text, a Facebook message or even an email. That's where the agent lives.
Picnic today (20th May, 2026) names the PIQ10 2026: the UK's top publishers for advertising quality, ranked independently by PIQ, Picnic's signal-led inventory intelligence platform. With nearly half of all domains now falling below PIQ's quality threshold, these are the ten delivering consistently for advertisers: Comparing with the 2024 PIQ 10, TechCrunch has climbed from fifth to first. National Geographic, Politico, and The Guardian enter the list for the first time.
