Brazil and large swathes of Latin America are battling severe wildfires this year, even in traditionally wet regions, as they grapple with a prolonged drought. The effects of human-caused climate change are upending the lives of millions across the continent while threatening key sectors of the region’s economy, from agriculture to energy production. Brazil Bears the Brunt Brazil, a country of continental proportions with diverse climates home to a third of the planet’s tropical forests, has been the most affected. The crisis, which began in August, has been aggravated by severe drought in man…