Nearly 4,500 organizations join Earth Hour in China`s Hong Kong
(WorldNews China)

HONG KONG, March 28 (Xinhua) -- Nearly 4,500 companies, organizations and buildings in Hong Kong on Saturday participated in the Earth Hour, an annual global green movement to promote low-carbon life. WWF Hong Kong held a countdown ceremony for one hour`s lights out here Saturday evening. At 8:30 p.m....