The prime minister attended an international conference on climate change in Paris

A tennis player won their 23rd Grand Slam title becoming the oldest champion in the sport’s historyA new art museum opened in the downtown area featuring works by contemporary local artists

Researchers found that playing board games can improve cognitive function in people with dementiaThe city council voted to ban smoking in all outdoor dining areas of restaurants and cafesAn oil company announced it will invest $8.5 billion in hydrogen fuel technology over the next decade

A hot air balloon made an emergency landing in a park with all passengers escaping unharmedA study showed that eating a breakfast high in protein can reduce hunger cravings throughout the day

The postal service announced it will expand its package delivery service to include Sunday deliveries

Volunteers planted 12000 trees in a deforested area as part of a reforestation projectResearchers developed a new type of biodegradable plastic that breaks down in soil within four months

A famous chef released a new cookbook featuring restaurant recipes which quickly sold out its first print runLocal residents voted in favor of a new tax to fund public school improvements including classrooms and technology

A tech giant announced it will launch a new streaming service competing with existing platforms by offering exclusive contentA study found that getting enough exercise improves memory and cognitive function in older adults

(责任编辑：哈尔滨市)