LiveScience: An unusually cold winter across China has some regions hitting their lowest average temperatures in more than 40 years, according to state media reports. The Chinese national meteorological agency said polar fronts caused by global warming are to blame for the frigid air.
The freeze is the coldest winter in 28 years, the English-language newspaper China Daily reported. The national average temperature across China's vast territory was a chilly 25.2 degrees Fahrenheit (minus 3.8 degrees Celsius)...