Man-Made Snow: What Are the Environmental Effects?

And should you feel guilty? The reviews are surprisingly mixed.

Beijing touts a green Olympics, but Games have wide environmental impact : NPR

Snowmaking - Wikipedia

European ski resorts close because there's no snow

Why Snow Matters National Snow and Ice Data Center

Man-Made Snow: What Are the Environmental Effects?

Ski resorts can now make fake snow in 80 degrees. Here's why that's a problem. - The Washington Post

Climate & skiing NOAA

Artificial snowmaking: Sustainability must become a priority •

Ski resorts can now make fake snow in 80 degrees. Here's why that's a problem. - The Washington Post

Climate controls on snow reliability in French Alps ski resorts

Snow - Wikipedia