Green on the Go

Calculating carbon footprints can involve fuzzy math: You take your best guess at distances traveled and vehicle efficiency, and hope for a good estimate of your impact on the planet. The GPS-enabled calculator Carbon Diem, set to launch this year, aims to provide more-accurate measurements with less effort. It's part of a wave of new applications, such as Avego, Ecorio, and Carticipate, designed to make low-impact transit a no-brainer. Carbon Diem loads onto location-aware mobile devices and measures speed and movement patterns--the evenness of trains, for example, or the starts and stops of buses--to track emissions associated with your chosen mode of transport. carbondiem.com

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[Steffen Frost]

We recently gave a talk on carticipation at the Silicon Valley iPhone Developers' Meetup in Palo Alto and posted the video here (select "high quality" mode):

http://www.youtube.com/watch?v=kaphdB6Wafs