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Green tech finds: the clean development edition

Green tech finds: the clean development edition

If you can power your phone with sunlight, and carry water purification equipment on your back, is there any need for large-scale, dirty utilities in the developing world? Those ideas and more in this week’s green tech finds.

What’s your neighborhood’s Bike Score?: The five-year-old Walk Score online service, which rates walkability of neighborhoods, cities, and addresses, now offers a similar metric for bicyclists. The new Bike Score is available in ten cities (and, apparently, Minneapolis is more bike-friendly than Portland – who’da thunk it?). (via The Atlantic Cities)