Snowmobiles, Machines from Hell or Sleds to Paradise? by Lou Dawson April 9, 2009 by Lou Dawson April 9, 2009 Snowmobiles are used for ski touring and backcountry skiing in North America, but many issues come from that.
Motorized or Muscle Powered — What has the most impact? by Lou Dawson January 9, 2000 by Lou Dawson January 9, 2000 Pollution and environmental impact of backcountry users is not necessarily defined by motors vs. muscles.