Wind power has more than tripled in the United States over the past decade. It's now the largest source of renewable energy in the country, accounting for more than 6% of the nation's electricity. The wind industry faces potential hurdles, however, with federal tax credits scheduled to start phasing out and delays in building major offshore wind farms. Francis Slingsby of Orsted, a global leader in offshore wind, discusses how the U.S. and the world is developing the wind industry and what the future looks like.