Engineers create water filter that removes 99 percent of contaminants

A community organized a "neighborhood potluck" with dishes from 28 different culturesA grocery store started selling organic produce boxes delivered weekly to customers’ homes

A photographer’s work was displayed in a local art gallery for a month-long exhibitionA hotel renovated its lobby to include a modern seating area and free coffee for guestsA musician toured small towns, performing at local venues to support independent music

A construction company finished building a new hospital wing for pediatric care, adding 30 bedsA study found that volunteering 2 hours a week can improve overall happiness

A small business owner started a blog about their industry, gaining 6,000 followers

A city launched a bike safety program for kids, giving away free helmets and lessonsA museum offered free guided tours for school groups to teach kids about history

A local café started serving cold-brew coffee made with beans from a local roasterResearchers developed a new type of solar panel that can be integrated into building materials

The railway service announced it would offer discounted fares for passengers who book in advanceA new TV drama became a social media sensation with millions of viewers tweeting about it

(责任编辑：平克弗洛依德)