Claim: Does this Dublin video prove masks increase carbon dioxide to dangerous levels?
Fact-check: FactCheck: Does this Dublin video prove masks increase carbon dioxide to dangerous levels?
Verdict: a protester in dublin claims her carbon dioxide-measuring device proves masks cause co2 levels to exceed 'dangerous' amounts.
Organisation: TheJournal.ie
Author: Brianna Parkins
Date published: 2021-12-16T20:00:38