Is Big Tech telling the truth about AI's climate impact?

With the recent 'AI Boom', the energy demand of computing has risen dramatically. As generative artificial intelligence (AI) chatbots such as Chat GPT, Claude, Copilot and Grok become more mainstream, tech companies are racing to build and power new data centres - the physical 'computer factories' that store and process our information and online services. This new infrastructure is significantly increasing greenhouse gas emissions - but tech companies argue that the climate innovations and efficiency improvements catalysed by AI tools will offset negative impacts. Could such claims prove true, or are they greenwashed PR? Alasdair puts this question to writer and energy analyst Ketan Joshi, who recently authored a report on AI's climate impacts alongside several leading nonprofits. Further reading: Read more from Ketan on climate and AI on his blog, here . ' Does Generative AI “Work”? That’s a Misleading Question. ', Ketan Joshi, The New Republic, March 2026 The AI Climate Hoax: Behind the Curtain of How Big Tech Greenwashes Impacts , Ketan Joshi, February 2026 ' Crypto and AI exploit conflict zones and fossil fuels – with destructive consequences ', Hito Steyerl, Gago Gagoshidze and Miloš Trakilović, Land and Climate Review, July 2025 Empire of AI , Karen Hao, May 2025 ' Big Tech’s green promises are hypocritical gestures ', Nick Dyer-Witheford and Alessandra Mularoni, Land and Climate Review, April 2025 SYSTEM OVERLOAD: How new data centres could throw Europe’s energy transition off course , Beyond Fossil Fuels , February 2025 Send us Fan Mail Click here for our website to read all our most recent Land and Climate Review features and pieces.

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Is Big Tech telling the truth about AI's climate impact? is an episode from The Economy, Land & Climate Podcast by Land and Climate Review .

This episode is 34:17 long.

This episode was published on Mar 20, 2026.

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