VOICED: Argentina's southernmost glaciers are disappearing

The video discusses Ushuaia, the southernmost city on Earth, and its proximity to the Antarctic. It highlights the impact of global warming on the Upsala Glacier, showing significant ice retreat from 1928 to 2004. The video also addresses the concerns of local tourism businesses due to the shrinking glaciers, which pose safety risks and threaten the city's water supply. It concludes with predictions that certain glaciers may disappear entirely in the next 30 years.

What is the primary evidence of global warming's impact on the Upsala Glacier?

• Increased snowfall

• Formation of a lake and exposed rock

• Expansion of the glacier

• Thicker ice layers

Why is the melting of glaciers a concern for tourism in Ushuaia?

• It makes the slopes steeper and more dangerous

• It increases the number of tourists

• It reduces the number of hiking trails

• It causes more snowfall

What percentage of the city's water resources do glaciers provide during the dry season?

• 70%

• 60%

• 50%

• 80%

What is the potential future impact on glaciers mentioned in the transcript?

• They will expand by 60%

• They may disappear altogether

• They will remain unchanged

• They will become thicker

What is the main concern regarding the city's water supply due to glacier melting?

• Higher water temperatures

• More frequent floods

• Loss of a constant water source

• Increased rainfall