The country’s unemployment rate dropped to its lowest level in a decade

A major airline announced plans to replace its older planes with more fuel-efficient modelsThe government introduced new laws to protect endangered bird species from habitat loss

A tech startup launched an app that connects volunteers with local community service projectsResearchers found that spending time in forests lowers blood pressure in adultsA famous singer performed a surprise concert for nurses and doctors at a city hospital

The city’s public library added more e-books and online databases for students and researchersLocal businesses joined a campaign to reduce their carbon footprint by using renewable energy

Weather conditions improved allowing outdoor sports events to resume after a week of rain

A team of engineers designed a new wind turbine that produces 50 percent more energyDoctors created a new surgical procedure that allows patients to recover from knee surgery faster

The local museum hosted a "night at the museum" event with special tours and activitiesA new study showed that spending time with grandchildren reduces depression in grandparents

The national park service announced plans to build new campgrounds in a popular national parkA major snack company recalled a popular product due to possible contamination with allergens

(责任编辑：白歆惠)