AI Boom Tests Tech Firms' Climate Pledges as Emissions Surge 239% Despite Renewable Energy Push
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AI and climate change: AI boom is testing tech firms' climate pledges
Technology companies are stepping up their climate commitments but not fast enough to counter rapidly inflating energy needs linked to the artificial intelligence boom, a report said Wednesday. This year's edition, based on 2024 data, found that artificial intelligence "is both a driver of efficiency and a growing challenge", the ITU said in a statement. Technology companies are stepping up their climate commitments but not fast enough to counter rapidly inflating energy needs linked to the artificial intelligence boom, a report said Wednesday. Despite progress in climate reporting and renewable electricity use, tech firms are falling short in cutting emissions at the pace required to achieve global climate targets, the Greening Digital Companies 2026 report found. Published by the UN's International Telecommunication Union (ITU) and the World Benchmarking Alliance (WBA), sustainable development NGO, the report monitors the emissions and climate commitments of 200 major tech companies worldwide. It tracks greenhouse gas emissions, energy consumption, climate targets, renewable energy use and climate transition planning. This year's edition, based on 2024 data, found that artificial intelligence "is both a driver of efficiency and a growing challenge", the ITU said in a statement. Leading AI and cloud providers saw their individual emissions rise from 2020 to 2024, driven by surging energy needs and infrastructure expansion, it said. "While digital technologies offer immense potential for climate action, their rising energy demands and emissions cannot be overlooked," said ITU chief Doreen Bogdan-Martin. "Environmental sustainability must be built into how we design, power and scale the technologies shaping our shared digital future," she said. - 'Clean' AI? - Emissions from four major AI and cloud computing providers had skyrocketed by up to 239 percent between 2020 and 2024, the report found. Over the same period, 14 major telecoms firms reduced their emissions by 11 percent. "While AI supports climate action through energy optimisation, renewable forecasting and efficiency gains, it comes with its own environmental costs," the ITU said. In 2024, the 200 companies assessed for the study reported 301 million tonnes of operational emissions in carbon dioxide equivalent, equal to 0.8 percent of global energy-related emissions. But the companies consumed close to 500 Terawatt-hours (TWh), or around 1.7 percent of global electricity consumption, the report said, adding that power demand was only expected to grow "as AI, cloud computing and digital infrastructure continue to expand". With Amazon not reporting electricity data for 2024, China Mobile reported the biggest electricity consumption at 63 TWh, nearly double that of second-placed Alphabet and Samsung, which each consumed 32 TWh, followed by Microsoft at 30 TWh. The 10 biggest consumers combined used 269 TWh of electricity -- more than Australia, the report found. - Climate targets - Although tech firms figure among the world's biggest purchasers of renewable electricity, only 25 of the 200 companies in the report said they sourced 100 percent renewable electricity. It found that 151 of them had near-term emission reduction targets, "reflecting both voluntary leadership and the influence of investor expectations", as well as emerging regulations. But only 85 companies were "assessed as on-track based on progress to date", while just 81 had comprehensive plans to meet climate goals, the report found. "Digital companies need to engage suppliers and address emissions across the products and services they rely on," said WBA executive director Gerbrand Haverkamp. The report gave each company a climate assessment score, based on targets, data and performance. The top-ranked firms were Swisscom -- the only one with a perfect score -- Accenture, Deutsche Telekom, Vodafone, Capgemini and Telefonica. Eighteen companies had no score at all, including Elon Musk's X and SpaceX. The bottom 30 companies -- of those who actually had a score -- included Huawei, Spotify, Nintendo, Weibo, Xiaomi, Zoom and Toshiba TEC.
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AI boom is testing tech firms' climate pledges
Geneva - Technology companies are stepping up their climate commitments but not fast enough to counter rapidly inflating energy needs linked to the artificial intelligence boom, a report said Wednesday. Despite progress in climate reporting and renewable electricity use, tech firms are falling short in cutting emissions at the pace required to achieve global climate targets, the Greening Digital Companies 2026 report found. Published by the U.N.'s International Telecommunication Union (ITU) and the World Benchmarking Alliance (WBA), a sustainable development organization, the report monitors the emissions and climate commitments of 200 major tech companies worldwide.
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Major AI and cloud providers saw emissions skyrocket up to 239% between 2020 and 2024, according to the Greening Digital Companies 2026 report by ITU and WBA. While tech firms advance climate reporting and renewable electricity use, surging energy demands from AI infrastructure expansion outpace their sustainability goals, raising concerns about meeting global climate targets.
Tech Firms Struggle to Balance AI Growth with Climate Commitments
The AI boom is creating an unprecedented challenge for tech firms' climate pledges, as surging energy demands from artificial intelligence infrastructure threaten to undermine years of sustainability progress. According to the Greening Digital Companies 2026 report published by the International Telecommunication Union (ITU) and World Benchmarking Alliance (WBA), technology companies are advancing their climate commitments but failing to keep pace with the rapidly inflating energy needs driven by AI expansion.
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The comprehensive study, which monitors emissions and climate commitments of 200 major tech companies worldwide, reveals a stark reality about AI and climate change. Despite measurable progress in climate reporting and renewable energy adoption, tech firms are falling short of the emission reduction pace required to achieve global climate targets. The report tracks critical metrics including greenhouse gas emissions, energy consumption, climate targets, renewable energy use, and climate transition planning across the industry.
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Emissions from Cloud Providers Skyrocket While Telecoms Improve
The data paints a troubling picture of AI's growing energy footprint. Emissions from four major AI and cloud providers skyrocketed by up to 239 percent between 2020 and 2024, driven by infrastructure expansion and the massive computational requirements of AI systems.
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This dramatic increase stands in sharp contrast to the telecommunications sector, where 14 major telecoms firms managed to reduce their emissions by 11 percent over the same period.ITU chief Doreen Bogdan-Martin emphasized the dual nature of the challenge, stating that while digital technologies offer immense potential for climate action, their rising energy demands and emissions cannot be overlooked. She stressed that environmental sustainability must be built into how we design, power, and scale the technologies shaping our shared digital future.
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Massive Energy Consumption Rivals Entire Nations
The scale of energy consumption by tech firms is staggering. In 2024, the 200 companies assessed reported 301 million tonnes of operational emissions in carbon dioxide equivalent, representing 0.8 percent of global energy-related emissions. More critically, these companies consumed close to 500 Terawatt-hours (TWh) of electricity, accounting for approximately 1.7 percent of global electricity consumption.
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China Mobile led individual consumption at 63 TWh, nearly double that of Alphabet and Samsung, which each consumed 32 TWh, followed by Microsoft at 30 TWh. Amazon did not report electricity data for 2024. The 10 biggest consumers combined used 269 TWh of electricity, exceeding Australia's entire national consumption. Power demand is only expected to escalate as AI, cloud computing, and digital infrastructure continue to expand.
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Renewable Energy Progress Falls Short of Sustainability Goals
While tech firms rank among the world's biggest purchasers of renewable energy, adoption remains limited. Only 25 of the 200 companies reported sourcing 100 percent renewable electricity. The assessment found that 151 companies had established near-term emission reduction targets, reflecting both voluntary leadership and the influence of investor expectations alongside emerging regulations. However, only 85 companies were assessed as on-track based on current progress, and just 81 had comprehensive plans to meet their climate goals.
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WBA executive director Gerbrand Haverkamp highlighted a critical gap, noting that digital companies need to engage suppliers and address emissions across supply chains and throughout the products and services they rely on.
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Performance Rankings Reveal Wide Disparities
The report assigned each company a climate assessment score based on targets, data, and performance. Swisscom achieved the only perfect score, followed by Accenture, Deutsche Telekom, Vodafone, Capgemini, and Telefonica at the top. Eighteen companies received no score at all, including Elon Musk's X and SpaceX. Among those with scores, the bottom 30 performers included Huawei, Spotify, Nintendo, Weibo, Xiaomi, Zoom, and Toshiba TEC.
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The ITU acknowledged that while AI supports climate action through energy optimization, renewable forecasting, and efficiency gains, it comes with substantial environmental costs that cannot be ignored as the technology scales globally.
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