These are all howcast's Green Thing groups.
Barnet's Green Thing
103 members, saving 188,784kg of CO2. #6 overall, with 2 subgroups.
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Barnet's Plug Out & Walk
61 members, saving 112,967kg of CO2. #9 overall.
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Barnet's Use It Up
60 members, saving 114,672kg of CO2. #8 overall.
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