At the end of April, the floodgates opened in southern Brazil.  For days, heavy rains pummeled the Rio Grande do Sul state, triggering widespread flooding that has killed at least 150 people and displaced more than 600,000. Some areas saw more than 20 inches of precipitation—equivalent to the amount of rain typically seen over several … Continue reading In Southern Brazil, Rescue Efforts Continue as Ongoing Flooding Leaves Hundreds of Thousands Displaced