North America

• Understanding the Impact of the Arctic Air Surge in the US
  
  Exploring the southward movement of frigid Arctic air
  https://www.onlineupscinstitute.com/current-affair/understanding-the-impact-of-the-arctic-air-surge-in-the-us
• Fascinating Journey of Monarch Butterflies
  
  Exploring the Great Monarch Migration
  https://www.onlineupscinstitute.com/current-affair/fascinating-journey-of-monarch-butterflies