Curbed just published a great list of small things people can do (ACT!) to improve their...
101 small ways to improve your city
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Crowdfunding
AirVisual – Crowdsourced Air Quality Community
AirVisual calls itself "the crowdsourced air quality community". They have developed a home air...
Next City: When We’re All Urban Planners
When We're All Urban Planners is a great article on the use of technology in participation. All...