You Aren’t Gonna Need It
summary
Seven practical actions and concrete wins: a checklist of the seven things developers should apply now, from kill your zombies (cleanup of unused apps yields about an 18% energy cut in one case) to autoscaling and 80% idle servers discovery that exposes low-utilization waste. Extend device and server lifetimes instead of replacing hardware, prefer managed services or lightweight stacks, schedule work to follow renewables, question AI training needs, and start measuring with the Green Software Foundation method — software carbon intensity = energy × carbon intensity + embedded hardware.
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chapters (16)
- 0:00Introduction
- 4:17Sustainability meaning
- 6:33Beyond planetary limits
- 8:42Climate crisis and overshoot
- 12:13Climate risks and energy
- 16:27Sustainability at work
- 21:48Efficiency and zombie code
- 27:07Green software without coding
- 30:41Hardware efficiency and carbon
- 33:11Carbon awareness and solar
- 34:36AI sustainability and ethics
- 36:22Social coding sustainability
- 37:47Measure carbon emissions
- 41:06You Aren’t Gonna Need It principle
- 42:51Degrow software
- 43:37Personal carbon and Q&A
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