Tech Life
Tech Life

How green is AI?

Computer scientist Sasha Luccioni is a pioneering voice in AI, especially when it comes to its environmental impact. We speak to her as she is announced on the BBC 100 Women list. We also meet one of the only AI startups in Bhutan, and the two friends who met online and have finally met in real life

Featured Speakers

BBC World Service HostSasha Luccioni Guest

Topics Discussed

Episode Summary

Executive Summary: BBC Tech Life explores AI’s hidden environmental costs with Sasha Luccioni, who argues generative AI is driving rising energy and water demand and that better transparency and task-specific models are needed. The show also highlights Bhutan’s emerging student-led AI startup scene and an emotional story of two gamers who turned a 13-year online friendship into an in-person meeting.

Main Topics: AI’s environmental footprint (Priority: 5/5): Sasha Luccioni explains that the shift from conventional AI to generative AI has increased energy use, data-center strain, and emissions concerns. Measuring carbon emissions from computing (Priority: 5/5): Luccioni discusses CodeCarbon, a tool that tracks energy use and estimated CO2 emissions from code in real time, aiming to make AI impacts more measurable. Transparency, disclosure, and data centers (Priority: 4/5): The interview examines the difficulty of getting accurate emissions data, the role of data-center overhead (cooling, water, networking), and the need for standardized reporting. Efficient AI and climate solutions (Priority: 5/5): Luccioni argues AI should be used more selectively with task-specific models instead of large general-purpose systems, and that AI can assist climate work but cannot solve climate change alone. Bhutan’s student-led AI startup ecosystem (Priority: 4/5): A dorm-room startup, No Mind Bhutan, shows how young founders are building AI chatbots for banks, airlines, and government agencies despite infrastructure and payment barriers. Online friendship and mental support through gaming (Priority: 3/5): Liam and Jules describe a 13-year friendship built through gaming that provided emotional support through family tragedy and culminated in a first face-to-face meeting.

Key Arguments: Generative AI, not AI in general, is a major driver of rising energy demand because its use is expanding across many applications. Accurate carbon accounting is difficult because companies often lack or do not disclose the necessary data on compute, cooling, storage, and infrastructure. Data centers need location-specific disclosure about energy and water use so grids, consumers, and policymakers can make informed decisions. Task-specific models can accomplish narrow jobs with far less energy than large language models. AI can help climate science and adaptation, but it cannot replace policy, infrastructure, or social change. Bhutan’s small but growing tech scene demonstrates how student founders can create nationally useful AI products even with limited local infrastructure. Long-distance online relationships can be emotionally meaningful and deeply supportive, especially in communities built around gaming.

Data Points: Years since Sasha Luccioni started asking the climate-impact question: about 5 years - She says a simple question about AI’s climate impact turned into a research agenda roughly five years ago. BBC 100 Women recognition: named one of the BBC’s 100 Women - Luccioni was highlighted as an influential woman in the annual list. Student startups in Bhutan college: around 16 startups - The co-founder says their college now has roughly 16 student-run startups. Registered IT firms in Bhutan: hardly 15 to 16 - He describes Bhutan’s tech ecosystem as young, with only about 15–16 registered IT firms. Distance between the two gamers: 15,000 kilometres away - Liam describes Jules as being in the UK while he is in Australia. Length of friendship: over 12 years / 13 years - They say they first connected around 2012–2013 and met in person after 13 years of friendship. Number of brothers/father lost by Liam to suicide: 3 family members - Liam says he lost both brothers and his father over multiple years.

Pivotal Quotes: "It is quite difficult, isn’t it, to pinpoint that measurement." — Sasha Luccioni: On the challenge of accurately calculating AI’s carbon footprint. "We are the first and only AI company in the country." — Ugendendrup: Describing No Mind Bhutan’s role in Bhutan’s tech scene. "I think that AI can definitely propose some of the information... But it's never going to be the solution." — Sasha Luccioni: On AI’s limits in solving climate change.

Implications: The episode suggests AI’s growth will face mounting pressure to prove its environmental cost, while smaller markets like Bhutan may leapfrog into practical AI use. It also shows how digital communities can provide real-world emotional support and belonging.

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About Tech Life

Tech Life discovers and explains the ways technology is changing our lives, wherever we are in the world. We meet the people with bright ideas for rethinking the way we work, learn and play, and get hands-on with the products they dream up. We hold tech giants to account for their huge power to affect our lives, and ask who wins, and who loses, in the technology transformation. Tech Life is your guide to a future being made, and remade, at lightning speed in front of our eyes.</p>]]></description><itunes:summary><![CDATA[<p>Tech Life discovers and explains the ways technology is changing our lives, wherever we are in the world. We meet the people with bright ideas for rethinking the way we work, learn and play, and get hands-on with the products they dream up. We hold tech giants to account for their huge power to affect our lives, and ask who wins, and who loses, in the technology transformation. Tech Life is your guide to a future being made, and remade, at lightning speed in front of our eyes.

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