L-R Emma Grainge Head of Brand & Communications at Australian Ethical, Abi Thomas Head of Sustainability at SBS, Arum Nixon Australian Chapter Lead, AdNetZero.
The first major whitepaper by the Australian chapter of Ad Net Zero highlights how carbon reduction and campaign performance aren’t in tension – with case studies from Australian Ethical and SBS highlighting the benefits brands are achieving
Looming mandatory climate reporting requirements mean marketers should be leaning into the sustainability conversation
The full Australian whitepaper is available at Ad Net Zero website.
A new landmark Whitepaper from leading industry program Ad Net Zero has, for the first time, quantified advertising’s contribution to Australian businesses’ supply chain emissions – finding it averages more than 5% of upstream Scope 3 emissions, and that this climbs as high as 16% in key sectors such as government, infrastructure and public services.
The research, developed with climate and carbon disclosure specialists 2XE, highlights how better arming businesses with better data can reduce emissions without compromising marketing performance or investment.
Ad Net Zero Australia Lead Arum Nixon said the findings highlighted why marketers should be engaging directly with their organisation’s sustainability strategy, rather than risk having marketing’s emissions calculated and cut for them.
“For a long time, marketing has sat outside the emissions conversation, often delegating these questions to a risk or finance team. This report, and the data within it, shows that’s no longer tenable – in some sectors, advertising is one of the largest sources of Scope 3 emissions a business has,” said Nixon.
Among the major findings in the whitepaper, entitled “Triple Win For Marketers”, is the argument that with mandatory climate reporting under AASB S2 bringing new scrutiny to how businesses measure and disclose emissions across their value chain, marketing – often overlooked as immaterial – is now a genuine consideration for corporate boards and sustainability teams.
The paper also sets out a practical case for why addressing marketing’s emissions doesn’t need to come at the cost of budget or campaign performance, provided organisations move from broad, spend-based estimates to more granular, activity-based data.
“This report is significant because it tackles the myth that you can reduce your emissions but that it comes at the expense of advertising performance,” said Nixon.
“The good news is that marketers who get ahead of this issue have a genuine opportunity, not just a compliance burden. When you move to activity-based data, you can usually find areas where waste is sitting and tackle it often while improving campaign performance at the same time. That’s a far better position than simply being told to cut spend.”
2XE co-founder and CEO Nick Palousis, who led the analysis, said the scale of the numbers warranted immediate attention.
“When a supply chain emissions source averages over 5%, it is showing up on the pie chart and deserves a plan,” said Palousis. “Advertising can sit alongside, and in some cases exceed, other familiar Scope 3 sources such as waste or business travel. The difference is that action can often start without major capital deployment or impact on the organisation.”
Two leading Australian brands are featured in the whitepaper illustrating how brands are tackling this issue: Australian Ethical, working with Benedictus Media and oOh!media, cut out-of-home emissions per dollar spent by 63% and per thousand impacts by 82% through better targeting, renewable-powered inventory, recyclable materials and more energy-efficient creative – contributing to a 21% reduction in overall paid media emissions and a 50% stronger uplift in brand awareness than the brand’s previous campaign.
National broadcaster SBS, working with media agency Hearts & Science, has also reduced its marketing’s share of its Scope 3 emissions from 6% (FY22, spend-based) to 3% (FY25, using a hybrid of spend-based, supplier and activity-based data), with a goal of reaching 100% activity-based measurement. For its recent Premium Drama campaign, SBS was able to serve BVOD ads at times when there was more renewable energy in the grid – across all dayparts – using Hearts & Science’s Renewables Ad Engine, leading to a 24.6% reduction in the carbon intensity of the campaign compared to the delivery from an SBS baseline campaign without compromising audience reach.
Emma Grainge, Head of Brand & Communications at Australian Ethical, said: “Finding a solution that reduced our advertising emissions without impacting the campaign performance was important to us. More broadly, addressing marketing’s emissions will play an important role in our overall decarbonisation strategy. This is not just because Australian Ethical is a purpose-driven brand; we see it as a strategic advantage to future-proof our business.”
Abi Thomas, Head of Sustainability at SBS, said: “Marketing emissions are a material part of SBS’s carbon footprint, so reducing them is an important part of our sustainability journey. By moving from spend-based to activity-based measurement, we’ve gained a far more accurate picture of our impact and identified practical ways to reduce it. This includes delivering lower-carbon advertising campaigns, such as the recent SBS premium drama campaign, which reduced emissions without compromising audience reach.”
The whitepaper sets out a five-step playbook for marketers: establish a baseline, improve data quality, adopt a consistent methodology such as the GMSF, build carbon into planning decisions, and set targets with embedded accountability.
It builds on a body of work launched by the Australian chapter, including the creation of a toolkit for the industry on how to decarbonise business operations and a recently-released guide to reducing media’s carbon footprint. Australian supporters have also been extensively involved in the development of the Global Media Sustainability Framework (GMSF), a voluntary emissions measurement framework to provide consistent measurement across the media industry. The GMSF is available now at this link.
The full Australian whitepaper is available at the Ad Net Zero website.
Ad Net Zero
Ad Net Zero is a global sustainability programme helping the advertising industry decarbonise ad operations and supporting every industry to accurately promote more sustainable products, services and behaviours. Originally founded by the UK’s Advertising Association in partnership with the IPA and ISBA, Ad Net Zero launched its five-point action plan in the UK in November 2020 and now counts hundreds of advertisers, agencies, commercial media owners, and tech and production companies among its supporters worldwide, including in the US, Ireland, Europe, UAE, Australia and New Zealand.
Ad Net Zero launched in Australia in 2024, led by the Media Federation of Australia (MFA), IAB Australia, the Australian Association of National Advertisers (AANA) and the Advertising Council of Australia, alongside 30 supporting organisations representing advertisers, agencies and vendors.
2XE
2XE is an independently owned Australian sustainability and climate consultancy founded in 2011. Blending strategy, engineering and technology, 2XE helps organisations measure, manage and reduce emissions, develop credible decarbonisation pathways, and prepare for climate-related disclosure requirements under the Australian Sustainability Reporting Standards (ASRS) and AASB S2. 2XE has worked with more than 1,000 companies and was named to the Australian Financial Review Sustainability Leaders 2025 list.

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