8 700 → 8.7 billion litres of water about 8,700 litres of water a year. almost no carbon: it is cold water.
method per-person, per-year estimate from the cited study (EPA WaterSense), world-average where the study allows; the million-people column is straight multiplication. 'for scale' divides by 0.8 t CO2e, the meat-free yardstick.
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