Local businesses joined a campaign to use energy-efficient light bulbs in their stores

The school district added a course on climate change to the science curriculumResearchers found that eating dark chocolate improves blood flow to the brain

The government passed a law to limit noise from nightclubs and bars in residential areasA popular social media platform added a new feature to block unwanted messagesDoctors developed a new cream to treat psoriasis that has fewer side effects

The local community organized a parade to celebrate the city's founding anniversaryA new study indicated that regular exercise reduces the risk of developing certain cancers

The city hosted an art auction to raise money for local charities

Scientists discovered a new plant that can be used to make a natural insect repellentResearchers studied climate change’s impact on plants

A bookstore read to kids at daycaresA farm sold fresh flowers at the farmers market

A museum opened a space exploration exhibitA gym offered online fitness classes

(责任编辑：任贤齐)