Artificial snow-making – using machines to spray a mixture of water and compressed air to freeze into snowflakes – has been used by the ski industry since the 1950s. With climate change posing a ...

It was 68 degrees and the sun was glinting off the icy snow tubing lanes at Heritage Hills Resorts’ AvalancheXpress on Nov. 20 as a series of new chillers hummed away during testing. “On a day like ...