By Elizabeth Weise with USA Today
Summers are always hot. But this summer is different in some profound ways.
Record-breaking temperatures are hitting multiple cities. Phoenix recorded an unprecedented nineteen consecutive days over 110 degrees. Death Valley reached 128 on Sunday. Records are falling everywhere.
It’s not your imagination: This is not a typical summer.
The extreme temperatures being recorded this summer are the result of the combination of natural variations within the climate system and human-caused climate change, with a hefty serving of El Niño thrown in.
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