ต้นฉบับ 10 • Forests are more pron

ต้นฉบับ 10

• Forests are more prone to deadly infestations:Milder winters and longer summers allow tree-killing insects to thrive. Meanwhile, trees weakened by prolonged drought have lower defense mechanisms. This cycle of warmer weather, weak trees and thriving insects is likely the culprit behind the massive die-off of 70,000 square miles of Rocky Mountain conifers.