In terms of applying prudent energy policy here in the United States, we can certainly do what Samsø is doing on a much larger scale. More from Popular Science:

Samso — about 30 miles long and 15 miles across — began its trek toward sustainability in 1997, and in just over a decade has erected 21 electricity-producing wind turbines and a heating system fueled by wood chip- and straw-burning furnaces bolstered by multiple small, unobtrusive solar panels. The 11 one-megawatt onshore turbines alone produce more than the island’s total electricity consumption (and enough power to offset 690,000 gallons of oil), while the 10 offshore turbines produce enough power to cover the island’s entire transportation energy budget. Excess power is invested into new energy projects.

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