Wind power could feed 20 percent of the US energy diet. But first, the country needs a new energy network.
Obama points to new jobless numbers in urging quick action.
New construction has stalled across the US, as the faltering economy chokes off a key source of funding.
William Lynn's lobbyist experience may help him navigate the industry better, say some.
At least 34 countries have plans, worth a total of $2.25 trillion.