SkiGreen is a partnership between the non-profit Bonneville Environmental Foundation and leaders in the sports industry to build support for non-polluting renewable sources of energy.. Participating ski areas fall into one of thee key categories as follows: 1. They support some type of renewable energy as through the purchase of renewable energy certificates from BEF. 2. They sell SkiGreen Offsets to their guests, so that the guest has an opportunity to offset their carbon emissions by directly supporting wind energy. 3. They do both! What happens when I buy a SKiGreen Offset for $2 Each BEF SKiGreen Offset represents the reduction of 150 pounds of carbon dioxide emissions by supporting approximately 100kWH of clean, wind energy resources thereby reducing our dependence on dirty fossil fuels.