High Traffic on Everest: Estimated number of successful Everest ascents per year from 1953 to 2023
from Martin Armstrong/statista; slow reveal by Jenna Laib
(Slide Deck includes notes and questions to elicit discourse)
Type of Graph: bar graph
Visualization Source: Armstrong, Martin (2023). “Everest’s Summit Has Become Dangerously Crowded.” Statista: December 11, 2023.
Data Source: The Himalayan Database (accessed December 1, 2023)

Potential Math Content: bar graph, developing theories about why, estimating values, scale, determining values
Potential Content Connections: pollution, sports
Sustainable Development Goal(s):
#12 – Responsible consumption and production
#8 – Decent work and economic growth
(including sustainable tourism)
Paired Texts:
- National Geographic Society (2023). “Trash and Overcrowding at the Top of the World.” National Geographic Education: October 19, 2023.
- Hickok, Kimberley (2022). “How Much Trash Is on Mount Everest?” Live Science: November 1, 2022.
- National Geographic Society (2023). “Mount Everest Collection.” National Geographic Education.
- Sorkhabi, Rasoul (2019). “Death on Everest: Nepal’s famous summit is becoming a graveyard, and climate change is poised to make things worse.” Earth Island Journal: August 13, 2019.
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