警报

美国加拿大启动强暴风雪警报The US and Canada have issued further storm warnings. Severe weather hasalready halted travel in many areas across North America, and been linked todozens of deaths.The US National Weather Servi

BEIJING - The China Meteorological Administration (CMA) said Tuesday the country has begun establishing its emergency alert publishing system to ensure residents get timely warnings about natural disasters, accidents, pu