A city installed new traffic lights with countdown timers to improve pedestrian safety

A charity collected donations of school supplies for children in rural areasA university research team discovered a new species of insect in a tropical rainforest

A bookstore offered a discount on all hardcover books during a weekend saleA city council approved a plan to plant 1,000 new trees in urban parks over the next yearA clothing store donated a portion of its sales to a charity that supports homeless youth

A hospital hired more respiratory therapists to handle an increase in patients with breathing issuesA school started a music program where students learn to play string instruments

A tech company launched a new feature for its video conferencing tool that allows virtual backgrounds

A national park offered guided nature hikes led by volunteer naturalistsPolice department uses body cameras to increase transparency

Dance school holds winter recital with ballet and tap performancesResearch indicates that sunlight exposure boosts mood in people with SAD

Camera store offers photography workshops for beginnersWildlife rescue group rehabilitates injured owl and releases it into wild

(责任编辑：潘裕文)