Digital Carbon Footprint

Web searches per day

AI chatbot prompts per day

Short emails sent per day

Long emails / attachments per day

Hours streaming on TV per day

Hours video on phone per day

Hours of video calls per week

Your digital footprint per year

58.1 kg CO₂e

Video streaming$40.70Email$14.05Video calls$1.56Search & AI$1.83

≈ Driving a petrol car

360 km

Trees to absorb it

Activity	CO₂e	Source
Web search (e.g. Google)	0.2 g per search	Google (2009 estimate, likely lower today)
AI chatbot prompt (ChatGPT, Gemini…)	0.1 g per text prompt	Google: 0.03–0.09 g per Gemini prompt (2025); OpenAI: ~0.34 Wh per ChatGPT query
Short email	0.3 g per email	Berners-Lee, How Bad Are Bananas (2020)
Long email / with attachment	17 g per email	Berners-Lee (2020)
Video streaming on a TV	55 g per hour	Carbon Trust (2021)
Video streaming on a laptop	12 g per hour	Carbon Trust (2021), device ratio
Video streaming on a phone	1 g per hour	Carbon Trust (2021), device ratio
Video call (laptop)	10 g per hour	Berners-Lee (2020); ~50 g on a desktop + monitor

Digital emissions vary widely with device, network and electricity source; these are central estimates from published research.

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