Environment Variables: how software impacts climate change
summary
Software and infrastructure decisions have measurable climate impact: IT totals 2% of global emissions, Sydney grid electricity is about 700 g CO2/kWh, a 1 kW desktop emits ~16.8 kg/day, a MacBook Pro ~450 kg over four years, a Sydney–Melbourne return is ~148 kg, an average Bitcoin transaction ~302 kg, and training a neural architecture search can reach 284 tons of CO2. Practical actions include counting with the GHG protocol scopes 1 2 3, choosing low‑carbon hosting or avoiding proof‑of‑work crypto, and preferring providers that report and retire offsets.
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chapters (5)
- 0:00Start
- 0:56The world is getting warmer
- 1:46It's because of human activity
- 16:36GHG protocol
- 24:30Cloud hosting
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