In a letter to the White House, 75 champions, including pro snowboarder Jeremy Jones and Olympians Julia Mancuso and Lindsey Jacobellis said a run of record warm years and sporadic snowfalls jeopardised the survival of their sports and a winter tourism industry worth $12bn a year.

“As professional athletes, representing a community of 23 million winter sports enthusiasts, we’re witnessing climate change first-hand. Last year was the warmest year on record, and once again, we’re currently experiencing another winter season of inconsistent snow and questionable extremes. Without a doubt, winter is in trouble.

The letter urged Obama to adopt two key measures promoted by environmental groups: new rules that would clean up the country’s fleet of ageing coal-fired power plants and a shut down of the Keystone XL tar sands pipeline project.