In early July an atmospheric science expert at NASA pointed out that unless a strong cold wave appears in the Southern Hemisphere, this year will go down as the hottest in history.
七月初，美國國家航空暨太空總署一位大氣專家指出，除非目前正在過冬的南半球能出現強烈寒流，否則今年將會是有紀錄以來最熱的一年。