Carrotmob has teamed up with the investment vehicle Greenstart, which has invested $150,000 and design services into the project. Carrotmobs are like cash mobs, except community members earmark their spending at a store or restaurant for a specific social improvement like environmentally friendly lighting, bike racks or sustainably produced menu items. Many businesses want to make these positive changes but are limited by cash to get started, says co-founder Brent Schulkin. More than 100,000 Carrotmobbers have now engaged communities to encourage social change for 260 businesses to the tune of $1 million in 20 different countries. Continue reading…