A famous singer performed a benefit concert to raise money for disaster relief efforts

The school district installed new security cameras in all schools to improve safetyResearchers found that reading mystery novels improves problem-solving skills

The government launched a campaign to encourage people to eat more plant-based mealsA popular fashion brand announced it will take back old clothes to reuse or recycleDoctors developed a new vaccine to protect children from a common childhood virus

The community center hosted a job fair for people with disabilitiesA new study showed that students who get enough sleep have better attention spans in class

The city installed a new parking meter system that accepts credit cards and mobile payments

A major food company announced it will remove artificial colors from all its productsThe 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 repellentA local community center hosted a free health screening event for residents over 65

Scientists found a new way to convert agricultural waste into renewable energyA major grocery chain announced it will stop selling single-use plastic bags in all stores

(责任编辑：徐一丹)