Middle school students designed a solar-powered backpack that charges mobile devices

A local café offered a discount to customers who brought their own reusable cupsEngineers designed a new type of insulation that reduces home energy use by 40%

The postal service introduced a same-day delivery service for packages in major citiesA celebrity chef cooked a special meal for a charity gala that raised $500000 for hunger reliefResearchers calculated that taking public transit instead of driving saves 200 gallons of gas per year

A city started a composting program for residents that turns food waste into garden fertilizerA snowstorm in the northwest dumped two feet of snow closing schools and government offices

A study showed that learning a second language at a young age improves cognitive development

The government passed a law to protect consumers from hidden fees on airline tickets and hotel staysA streaming service added a collection of classic TV shows to its library

Police used facial recognition technology to identify and arrest a fugitive wanted for theftThe weather service warned of dangerous thunderstorms with high winds and lightning

College students won a national competition for their invention that purifies water using solar powerA bank introduced a new checking account with no monthly fees and free ATM access

(责任编辑：刘冰)

• ·A new art gallery opened in the city center featuring works by local artists
• ·Clothing brand uses recycled denim to create new line of jeans
• ·Scientists created a new type of battery that can store 40% more energy than current models
• ·Retailers introduced a new contactless payment system to speed up checkout times
• ·Tech startup unveils portable device that monitors air quality in real time
• ·The local government invested in improving public parks and green spaces
• ·A charity collected donations of winter coats for homeless individuals
• ·The transit system announced plans to add Wi-Fi to all buses and trains by next fall
• ·A local café introduced a new breakfast sandwich made with local ingredients
• ·A university research team found that eating dark chocolate daily can lower blood pressure slightly
• ·Major supermarket chains announced plans to phase out plastic bags by the end of the year
• ·A tech startup created a new device to monitor air quality in homes
• ·A community organized a charity auction that raised $8,000 for a local animal shelter
• ·A national park started a guided tour program led by park rangers
• ·A supermarket chain started selling organic produce sourced from local farms
• ·A new report showed that the number of people working from home has increased by 42% since the start of the decade