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by Omnitaus 2374 days ago
They're missing something. Right below, in the same article:

"As carbon dioxide levels rise, better ventilation won't be enough to protect us from its effects.

"There's no way to solve this except for keep the CO2 low," Karnauskas said. "You can try to increase ventilation, but you're only going to be ventilating higher-CO2 air, because it's going up outside.""

If CO2 concentrations outdoors double, you're already looking at a minimum of 1000ppm indoors.