Does it work?

Personal carbon advice is dominated by actions that feel significant rather than actions that are. Each claim below is graded on what life-cycle and behavioural research supports.

Evidence behind each claim in does it work? A bar chart grading 6 claims from 0 (contradicted) to 4 (established). Eating less meat4/4Home heating4/4Flying less4/4Carbon labels3/4Buying local1/4Recycling1/4
Sorted by evidence, not by popularity. The claims at the bottom of this chart are often the ones with the largest marketing budgets behind them. Grading: our reading of the cited literature, not a formal GRADE assessment.

Established

How much does flying matter?

For people who fly, it is often the single largest item — and it is highly concentrated in a minority of travellers.

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