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Geneva study finds public overestimates recycling, undervalues flight cuts

8/12/2026

Summary

Story summary

Geneva researchers found the public overestimates recycling’s climate benefit and underestimates giving up air travel.
A survey of nearly 3,000 people rated perceived emissions reductions for 32 actions.
Respondents overrated recycling, energy-efficient appliances and teleworking, but underrated forgoing air travel, car-free living, electric vehicles and renewable electricity.
Researchers link the bias to the availability heuristic and motivated reasoning, suggest tailored nudges, and publish the study in Nature Sustainability.

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Story summary

Geneva researchers found the public overestimates recycling’s climate benefit and underestimates giving up air travel.
A survey of nearly 3,000 people rated perceived emissions reductions for 32 actions.
Respondents overrated recycling, energy-efficient appliances and teleworking, but underrated forgoing air travel, car-free living, electric vehicles and renewable electricity.
Researchers link the bias to the availability heuristic and motivated reasoning, suggest tailored nudges, and publish the study in Nature Sustainability.