September 27, 2023

Good-Loop and Yahoo partner to help advertisers minimize carbon emissions and proactively address sustainability concerns

Note: Verizon Media is now known as Yahoo.

Yahoo DSP advertisers now have access to low carbon PMPs, as measured by Good-Loop’s carbon scoring

September 27, 2023 – Today, purpose-led ad platform Good-Loop and Yahoo announced a global partnership offering carbon neutral private marketplace (PMP) media opportunities to advertisers, in order to help them become more sustainable. As a whole, the digital advertising industry requires a massive amount of computing power to support the trillions of ad transactions that take place every day, making it a major driver of global carbon emissions—an issue both parties are seeking to address. 

In an effort to help brands and agencies better grasp the environmental impact of their ad campaigns while also offering ways they can minimize their carbon footprint, Good-Loop’s carbon scoring ranks domains in supply-side platforms (SSPs) based on their carbon score. Through this partnership, advertisers and agencies buying through the Yahoo DSP will now have access to the PMPs that rank in the top 25 percent, helping them ensure their ad campaigns are in line with their larger sustainability efforts.

“Becoming carbon neutral is an industry-wide challenge, and Yahoo is making sustainability a priority by offering advertisers access to more green media through our partnership with Good-Loop,” said Elizabeth Herbst-Brady, Chief Revenue Officer at Yahoo. “Good-Loop’s carbon scoring provides advertisers with information about each publisher’s carbon footprint, allowing them to make more informed choices when it comes to the environmental impact of their ad campaigns. This improves the advertiser’s decision process, while also acting as an incentive for publishers to reduce carbon emissions, whether through supply path optimization or improving infrastructure.”

Advertisers can now easily find and buy low carbon emission supply, joining brands who are prioritizing climate-friendly media with Good-Loop already, including General Mills, PepsiCo, Nestle, Unilever, and Toyota.

“Yahoo’s robust DSP boasts both global reach as well as an expansive suite of tools helping advertisers make the most efficient buying decisions,” said Amy Williams, CEO and founder, Good-Loop. “Now, Yahoo is also driving the industry toward more sustainable advertising habits by expanding advertiser awareness of low emission PMPs—just one of several reasons we’re thrilled to partner with Yahoo. Together, we’re bringing the industry one step closer to its sustainability goals, giving advertisers around the globe the power to minimize their carbon footprint by evaluating the carbon cost of their campaign when media planning.”

Furthering its sustainability commitment, Yahoo recently introduced its direct-to-publisher platform, "Yahoo Backstage," which has been recognized by Jounce Media, a leading source for definitions of inventory quality standards, as the "largest MFA-free supply source on the open Web.” "Made for Advertising" (MFA) sites consume 21% of all programmatic ad impressions, leading to significant waste and carbon emissions. By delivering premium, MFA-free content, Yahoo is leading the charge on reducing media waste and its environmental impact.


About Good-Loop

Good-Loop is a purpose-led advertising platform that's on a mission to make advertising better for consumers, brands and the planet. The B Corps-certified company builds turnkey products for advertisers to do good at scale. Good-Loop's carbon-neutral advertising formats drive engagement by converting people's attention into donations for good causes around the world. The company's proprietary Green Media Technology also enables advertisers to measure and reduce the carbon footprint of their digital advertising. The company, which has offices in London and Edinburgh, is on a mission to make the connection between brands and consumers more meaningful by delivering respectful ads that bring real social and environmental impact, while also driving significant business and brand uplifts for advertisers. The company has raised more than $6M for charities such as Save the Children, WaterAid, Make-A-Wish, the NSPCC and WWF. Clients include L'Oreal, Nike, Unilever, Levi's, Adidas, Volvo and Mondelez. In February 2022, the company closed a Series A funding round of $6.1M, led by New York-based investment fund, Quaestus Capital Management (QCM), with additional backing from Scottish Enterprise, impact investor SIS Ventures and European ad tech fund First Party Capital, bringing total investment into the ad tech for good platform to $8.2M (£6m) since it was formed in 2016.

About Yahoo

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results. To learn more about Yahoo, please visit

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