Arctic warming likely causing cold waves in North America

The video discusses a study on how climate change affects the Arctic, leading to severe winter weather in the Northern Hemisphere. It highlights the Texas cold wave as a case study, explaining how Arctic warming alters atmospheric conditions, influencing the polar vortex and causing extreme weather events. The study shows that when the polar vortex stretches, it can lead to cold spells in regions like Asia and North America.

Summarize the findings of the study regarding warming causing colder weather.

What happens to the polar vortex when it stretches, and how does it affect North America?