MILAN (AP) — Norwegian skier Nikolai Schirmer on Wednesday handed the International Olympic Committee a petition signed by more than 21,000 people and professional athletes who want to stop fossil fuel companies from sponsoring winter sports. Schirmer delivered the “Ski Fossil Free” petition to the IOC’s head of sustainability, Julie Duffus, at a hotel in the Italian city of Milan two days before the Milan Cortina Winter Olympics kick off. The petition asks the IOC and the International Ski and