Unprecedented heat wave hits Brazil and South America

Unprecedented mid-November heat is scorching Brazil and South America, with Rio de Janeiro experiencing deadly temperatures. A woman died at Taylor Swift's concert, prompting a postponement. Heat indexes exceeded 120 degrees, and Rio's suburbs reached 137 degrees. The heat is driven by high pressure, El Niño, and climate change. Brazil has warmed by 0.9 degrees in recent decades. The heat is forecast to persist. This is the warmest 12-month period on record.