A smartphone company offered a trade-in program for old phones to encourage recycling

Engineers completed a new bridge connecting two cities that had been separated by a riverThe postal service announced it would hire additional staff to handle the holiday mail rush

A celebrity chef opened a cooking school to teach people how to prepare healthy mealsResearchers found that using reusable bags instead of plastic bags can reduce plastic pollution by 80%A city started a program to plant flowers in public spaces to improve the urban environment

A severe tornado touched down in a small town destroying several buildings and injuring a few residentsA study showed that students who study in groups retain information better than those who study alone

The government announced tax breaks for families with children to help with childcare costs

A bookstore expanded its children’s section to include more books in different languagesA new community center opened to offer free fitness classes and job training

Doctors identified a new variant of the virus with milder symptomsAn international organization donated medical supplies to countries facing shortages

The government approved funding for a new high-speed internet network in rural areasA tech startup launched a portable device that monitors air quality in real time

(责任编辑：密云县)