One study warns that rising global temperatures could kill off one out of every six plant and animal species worldwide. If the temperature increase is 7.7 degrees, the loss of species could jump to 16%. Another study warned that a temperature increase of five degrees Fahrenheit could produce a 62-fold increase in heat extremes. "What used to be a one-in-1,000-days event or a one-in-three-years event becomes, for instance, a four-in-three-year or five-in-three-year event,” said Erich Fischer.
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