John Geraci says that we must start mapping CO2 output by city so that communities can see and understand what their own contribution to the problem is.

John Geraci suggests that we need to start thinking about climate change in terms of ‘local warming’ and to do so we must start mapping CO2 output by city, so that communities can see and understand what their own contribution to the problem is. And someone’s started a group already to do just that! John Geraci

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