
A damning new report released today has cast a long shadow over the environmental promises of the world’s largest technology companies, revealing that a staggering majority of claims regarding Artificial Intelligence's (AI) climate benefits are unsubstantiated. The study, commissioned by a coalition of nonprofits including Beyond Fossil Fuels and Climate Action Against Disinformation, accuses Big Tech of "greenwashing" by conflating the proven efficiency of traditional machine learning with the energy-intensive reality of modern Generative AI.
Released to coincide with the AI Impact Summit in New Delhi, the analysis scrutinizes 154 specific climate statements made by industry titans. The findings are stark: 74% of AI climate benefit claims lack peer-reviewed evidence, and over a third (36%) offer no evidence whatsoever to back up their emission reduction promises.
The core of the report's critique lies in a strategy described by energy analyst and report author Ketan Joshi as a "diversionary tactic." The study finds that tech giants frequently cite the environmental benefits of "traditional AI"—such as machine learning algorithms used to optimize wind turbine efficiency or manage power grids—to justify the massive expansion of "Generative AI" (GenAI).
Generative AI, which powers tools like Google's Gemini and Microsoft's Copilot, requires significantly more computational power and energy than the predictive models of the past. By grouping these distinct technologies under the broad umbrella of "AI," companies are effectively using the green credentials of older, efficient tech to mask the carbon footprint of their new, power-hungry products.
"Big tech took the approach of fossil fuel companies—advertising modest investments in green tech while their core business drives emissions—and upgraded it for the digital age," Joshi stated. "These technologies only avoid a minuscule fraction of emissions relative to the massive emissions of their core business."
The report provides a granular breakdown of how Big Tech's claims stand up to scrutiny. The data suggests a systemic lack of transparency and rigor in how environmental impacts are reported.
Table 1: Analysis of Big Tech AI Climate Claims
| Metric | Statistic | Implication |
|---|---|---|
| Unverified Claims | 74% | Nearly three-quarters of all climate benefit claims are not supported by peer-reviewed science. |
| Zero Evidence | 36% | Over one-third of claims are presented without any supporting data or citation. |
| Misleading Citations | Frequent | Companies often cite internal blogs or consulting reports rather than independent scientific studies. |
The study highlights a particularly pervasive claim: that AI could mitigate 5-10% of global greenhouse gas emissions by 2030. Tracing the origin of this statistic, researchers found it stemmed not from a scientific paper, but from a 2021 blog post by the consulting firm BCG, which cited "experience with clients" rather than empirical data. Despite this weak foundation, the figure has been repeated by major tech firms as recently as April 2025.
The report has drawn sharp reactions from experts across the field. Sasha Luccioni, AI and climate lead at Hugging Face, emphasized that the report adds necessary nuance to the conversation.
"When we talk about AI that's relatively bad for the planet, it's mostly generative AI and large language models," Luccioni noted. She argues that the industry has misleadingly presented climate solutions and carbon pollution as a package deal, "muddling" very different types of AI applications to confuse regulators and the public.
The timing of the report is critical. With data centers currently consuming approximately 1% of the world's electricity, that figure is projected to skyrocket. BloombergNEF estimates that data centers could consume 8.6% of US electricity by 2035, a demand surge driven largely by the proliferation of Generative AI.
The report likens Big Tech's communication strategy to that of the oil and gas industry. Just as fossil fuel companies highlight their small renewable energy portfolios while expanding oil production, tech companies are highlighting the marginal climate gains of specific AI applications while their overall carbon footprint expands due to data center growth.
As the AI arms race accelerates, the gap between corporate rhetoric and environmental reality appears to be widening. This report serves as a wake-up call for investors, regulators, and consumers to demand more than just vague promises.
For the AI industry to genuinely contribute to climate solutions, it must first acknowledge the distinct environmental costs of its different technologies. Without rigorous, peer-reviewed evidence and a clear separation between the efficiency of machine learning and the excess of Generative AI, Big Tech's green claims risk becoming nothing more than digital smoke and mirrors.