Southern Brazil has been hit by the worst floods in more than 80 years. At least 39 people have died The Associated PressTorrential Rain in Brazil Kills at Least 29, With More Missing The New York TimesDams strain as water, death toll, keep rising in south Brazil Yahoo! VoicesRains in southern Brazil kill at least 37, more than 70 still missing Reuters CanadaBrazil: 37 killed and dozens missing in worst floods in 80 years The Guardian