The government released a report showing a 18% reduction in air pollution in major cities

A team of doctors published research on a new treatment for Parkinson’s diseaseThe stock market received a boost from news of a new medical breakthrough

A charity organization built temporary housing for families displaced by a wildfireScientists developed a way to recycle plastic into clothing fibersLocal schools organized a fundraiser to support their school’s art program

The national ballet company performed a new show that sold out in daysA major airline announced plans to reduce carbon emissions by 40 percent by 2030

The government introduced new laws to protect endangered plant species in national parks

A tech startup launched an app that connects people with local volunteer opportunitiesThe government launched a campaign to encourage people to reduce food waste at home

A museum hosted a workshop on historical crafts allowing visitors to learn traditional skillsA local bakery won a national award for its signature pastry at a food industry event

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

(责任编辑：黄铠晴)