WASHINGTON POST • May 13, 2024
Wildfires in Canada have roared back to life, sending harmful smoke into the northern United States – an unwelcome reminder of last summer’s historic fire season that also repeatedly sent plumes of noxious haze southward. At least 500,000 acres of land have burned so far. Mexico is also contributing to hazy conditions because of rapidly spreading fires fueled by excessive heat and drought. Human-caused climate change intensifies heat, droughts and fire intensity.