Rivers drained dry to create artificial snow, a forest cut down for the bobsleigh track – IOC’s claims to prioritise sustainability at Milano Cortina exposed Rivers drained dry to create artificial snow, a forest cut down for the bobsleigh track – IOC’s claims to prioritise sustainability at Milano Cortina exposed O n the foothills of the mountains, by the banks of the river in Cortina, there was a forest. It was full of tall larch trees. Arborists said the oldest of them had been there for 150