A global climate change summit concluded with 100 countries committing to cut greenhouse gas emissions by 50% by 2030

The military announced it will host a youth leadership camp for high school studentsA winter storm dumped 20 inches of snow on northern cities closing schools for three days

A tech company allowed employees to choose their own work schedules with flexible hoursLocal authorities opened a new shelter for homeless youth with 50 bedsThe Nobel Prize in Literature was awarded to a poet known for works on environmental themes

A fast-food chain added plant-based fish sandwiches to all its locations nationwideResearchers found that taking short walks every hour can reduce back pain by 32% in office workers

The mayor announced a plan to plant 12000 trees in the city over the next four years

A hotel chain started using eco-friendly cleaning products in all its propertiesUniversity offers new degree program in renewable energy engineering

Retail store expands online shopping options with same day delivery serviceStudy indicates that playing team sports improves social skills in young children

Fire department donates old equipment to volunteer groups in rural areasMusic label signs rising star after viral performance on social media

(责任编辑：陈伟联)