Fracking is shorthand for hydraulic fracturing, a type of drilling that has been used commercially for 65 years.
The climate of Shanghai in december is bad. The weather in december in Shanghai is relatively dry (with 67mm of rainfall over 7 days). The weather's not getting better compared to the previous month since in november there is an average of 59mm of rainfall over 6 days. The climate is quite cold here the month of december, but it is endurable when dressing cosy.
With a subtropical maritime monsoon climate, Shanghai weather is generally mild and moist. Although situated in the southern part of China, it still has four distinct seasons. The warm spring and the cool autumn are comfortable for travel, while the sweltering summer and the chilly winter are less pleasant.