Remember Carbon

The hack is a browser extension that analyzes a travel agency website ( and inserts CO2 emission data on the page about each flight. It also links to a page that compares these emissions to CO2 produced by other actions (like buying beer).

Choosing holiday flight destinations are some of the most influential choices people make. A flight from Sweden to Asia can add over 30 % to his yearly CO2-emissions. That’s why relevant information should be shown when people are making that choice.

Source on GitHub: Extension: Comparison page:

Example link:

Hackers: Petri Kola, Mikko Heikkinen

Winner of the Stockholm Greenhackathon 2011

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