A farmer picks corn in 2021 at a farm in Correntina, Bahia state, Brazil, where drought and heat have threatened yields. | Dado Galdieri/Bloomberg/Getty Images This story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration. Two years ago, an intense heat wave engulfed much of Brazil. For five days at the end of April 2024, temperatures in the central and southern regions climbed to sweltering heights. Many affected were still reeling from another