But with such companies as Google investing billions in creating a cable transmission backbone for the thousands of wind turbines that could spin offshore one day, some experts think wind is a good bet for a warming planet, and more than worth the initial investment.
"We're not a new technology — the offshore wind industry has been operating in Europe since 1991," said Lanard. "The U.S. is two decades behind. To catch up, we have to make big investments, just like nuclear, oil, gas and coal had to make big investments at the start."
Brannen, a writer living on Martha's Vineyard, is a recent Ocean Science Journalism Fellow at the Woods Hole Oceanographic Institution.