Duolingo has taken a lot of criticism recently for its use of AI but I think it's raising a valid counterargument here: "traditional, in-person English tests generate an average of 14.3kg of CO₂e per test. By contrast, a remote digital test produces just 0.16kg of CO₂e, highlighting a potential 98% reduction in carbon emissions." "The report, created in partnership with Duolingo, focussed on the carbon cost of English proficiency testing for students choosing to study in the UK."
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