Many observers have pointed to that dispute as the beginning of Trump's long-running criticism of wind power. One of Trump's harsher criticisms of wind power came earlier this year at the World Economic Forum in Davos, Switzerland, when he said countries investing heavily in wind power were "losers." America has roughly 77,000 wind turbines, making wind power one of the largest sources of renewable electricity in the nation. Claim: Wind turbines are 'ugly' and damage the environmentTrump has frequently criticized turbines for their appearance, often calling them "ugly," particularly offshore wind projects. Claim: Wind energy is too expensiveTrump has often argued that wind power is economically inefficient and depends on government support.