Guardian: Olympic medallists in snowboarding and skiing have called on Barack Obama on to save winter sports by taking ambitious measures against climate change.
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...