Steven R. Fassnacht

Italy’s Predazzo Ski Jumping Stadium, which is hosting events for the 2026 Winter Olympics, needed snowmaking machines for the Italian National Championship Open on Dec. 23, 2025. Mattia Ozbot/Getty Images

Climate change threatens the Winter Olympics’ future – and even snowmaking has limits for saving the Games

Innovations have made recent Winter Games possible, but the future climate will have a big impact on where the Olympics can be held and winter sports themselves.
In high alpine terrain, sun and dry air can turn snow straight into water vapor. Jeffrey Pang/WikimediaCommons

Snow can disappear straight into the atmosphere in hot, dry weather

As rivers run dry in the Rocky Mountains and the West, it’s easy to wonder where all the snow you see on mountain peaks goes. Some of it ends up in the air, but researchers aren’t sure how much.

Contact Steven for

  • General
  • Media request
  • Speaking request
  • Consulting / Advising
  • Research collaboration
  • Research supervision