Olympic Athletes Warn on Climate Impact
2025 study found 7 trillion tons of ice lost since 2000.
University of Padua reported glacier halved over 25 years.
Models show glaciers could be gone by this month if warming hits 2.7°C.
Limiting warming to 1.5 Celsius could save 100 glaciers.
Vonn and Hurt report training limits, with Vonn calling glaciers 'gone'.
Athletes and campaigners push for change to save glaciers and Winter Games.
Radamus and Schirmer advocate sponsorship reform.