The Pacific Northwest experienced a record-breaking heat wave from June 25 to July 2, 2021, transforming the typically temperate region into a scorching heat dome. This ecological tragedy, had devastating effects on trees and animal species. In addition to the human toll, the heat dome resulted in widespread scorching of tree foliage, turning green leaves and needles into shades of orange, red, and brown. This new threat posed by extreme heat is being woefully underestimated.