By Carla Ruas Global warming was the main driver of the severe drought that parched the Amazon River Basin in 2023. That is the alarming conclusion of a new report from World Weather Attribution (WWA), a team of international climate scientists that analyze extreme weather events. El Niño, a natural weather phenomenon long suspected as a key driver of the drought, played a much smaller role. The authors reviewed the Amazon region’s weather data, drought indices and statistical models from June through December. They found that both El Niño and climate change contributed to reduced rainfall dur…