The impact hooks have now captured 3 sessions of real data (295 Wh,
95g CO2, $98). Update the plan to show tracked numbers as a lower
bound and revise the rough total estimate downward.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
CC0-licensed methodology for estimating the environmental and social
costs of AI conversations (20+ categories), plus a reusable toolkit
for automated impact tracking in Claude Code sessions.