Windmills

Windmills offshore in Copenhagen. Wind power now accounts for one-half of all public power in Denmark. The Danes have reduced their reliance on oil.
The windmills are huge, about 250 feet high.

Windmills in Amsterdam.

And now we see that windmills have been constructed in the Philippines. As oil becomes more scarce, and the price increases, greater reliance on wind to generate electric power seems inevitable.(Link)